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Finding the Fourth Proportional to 1,872.35, 2,808.52 and 504.35

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Solution

The fourth proportional to 1,872.35, 2,808.52 and 504.35 is: 756.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.35 : 2,808.52 = 504.35 : x
  2. Step 2: Convert to fraction form
    1,872.35/2,808.52 = 504.35/x
  3. Step 3: Cross multiply
    1,872.35x = 2,808.52 × 504.35
  4. Step 4: Simplify right side
    1,872.35x = 1,416,477.06
  5. Step 5: Solve for x
    x = 1,416,477.06/1,872.35
  6. Step 6: Final answer
    x = 756.52

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Double scale
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Similar ratio
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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.