Home / 1,720.57-2,582.11-625.02

Finding the Fourth Proportional to 1,720.57, 2,582.11 and 625.02

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Solution

The fourth proportional to 1,720.57, 2,582.11 and 625.02 is: 937.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720.57 : 2,582.11 = 625.02 : x
  2. Step 2: Convert to fraction form
    1,720.57/2,582.11 = 625.02/x
  3. Step 3: Cross multiply
    1,720.57x = 2,582.11 × 625.02
  4. Step 4: Simplify right side
    1,720.57x = 1,613,870.39
  5. Step 5: Solve for x
    x = 1,613,870.39/1,720.57
  6. Step 6: Final answer
    x = 937.99

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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.