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Finding the Fourth Proportional to 1,725.04, 2,587.44 and 555.04

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Solution

The fourth proportional to 1,725.04, 2,587.44 and 555.04 is: 832.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.04 : 2,587.44 = 555.04 : x
  2. Step 2: Convert to fraction form
    1,725.04/2,587.44 = 555.04/x
  3. Step 3: Cross multiply
    1,725.04x = 2,587.44 × 555.04
  4. Step 4: Simplify right side
    1,725.04x = 1,436,132.70
  5. Step 5: Solve for x
    x = 1,436,132.70/1,725.04
  6. Step 6: Final answer
    x = 832.52

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.