Home / 2,592.09-3,888.14-1,720.17

Finding the Fourth Proportional to 2,592.09, 3,888.14 and 1,720.17

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Solution

The fourth proportional to 2,592.09, 3,888.14 and 1,720.17 is: 2,580.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,592.09 : 3,888.14 = 1,720.17 : x
  2. Step 2: Convert to fraction form
    2,592.09/3,888.14 = 1,720.17/x
  3. Step 3: Cross multiply
    2,592.09x = 3,888.14 × 1,720.17
  4. Step 4: Simplify right side
    2,592.09x = 6,688,253.18
  5. Step 5: Solve for x
    x = 6,688,253.18/2,592.09
  6. Step 6: Final answer
    x = 2,580.26

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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.