Home / 2,705.10-4,057.65-1,553.10

Finding the Fourth Proportional to 2,705.10, 4,057.65 and 1,553.10

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Solution

The fourth proportional to 2,705.10, 4,057.65 and 1,553.10 is: 2,329.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,705.10 : 4,057.65 = 1,553.10 : x
  2. Step 2: Convert to fraction form
    2,705.10/4,057.65 = 1,553.10/x
  3. Step 3: Cross multiply
    2,705.10x = 4,057.65 × 1,553.10
  4. Step 4: Simplify right side
    2,705.10x = 6,301,936.22
  5. Step 5: Solve for x
    x = 6,301,936.22/2,705.10
  6. Step 6: Final answer
    x = 2,329.65

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Half 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.