Home / 1,720.59-2,581.20-624.93

Finding the Fourth Proportional to 1,720.59, 2,581.20 and 624.93

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Solution

The fourth proportional to 1,720.59, 2,581.20 and 624.93 is: 937.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720.59 : 2,581.20 = 624.93 : x
  2. Step 2: Convert to fraction form
    1,720.59/2,581.20 = 624.93/x
  3. Step 3: Cross multiply
    1,720.59x = 2,581.20 × 624.93
  4. Step 4: Simplify right side
    1,720.59x = 1,613,069.32
  5. Step 5: Solve for x
    x = 1,613,069.32/1,720.59
  6. Step 6: Final answer
    x = 937.51

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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.