Home / 3,720.69-5,132.61-2,525.74

Finding the Fourth Proportional to 3,720.69, 5,132.61 and 2,525.74

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Solution

The fourth proportional to 3,720.69, 5,132.61 and 2,525.74 is: 3,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.69 : 5,132.61 = 2,525.74 : x
  2. Step 2: Convert to fraction form
    3,720.69/5,132.61 = 2,525.74/x
  3. Step 3: Cross multiply
    3,720.69x = 5,132.61 × 2,525.74
  4. Step 4: Simplify right side
    3,720.69x = 12,963,638.38
  5. Step 5: Solve for x
    x = 12,963,638.38/3,720.69
  6. Step 6: Final answer
    x = 3,484.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.