Home / 4,151.61-5,729.85-2,580.21

Finding the Fourth Proportional to 4,151.61, 5,729.85 and 2,580.21

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Solution

The fourth proportional to 4,151.61, 5,729.85 and 2,580.21 is: 3,561.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.61 : 5,729.85 = 2,580.21 : x
  2. Step 2: Convert to fraction form
    4,151.61/5,729.85 = 2,580.21/x
  3. Step 3: Cross multiply
    4,151.61x = 5,729.85 × 2,580.21
  4. Step 4: Simplify right side
    4,151.61x = 14,784,216.27
  5. Step 5: Solve for x
    x = 14,784,216.27/4,151.61
  6. Step 6: Final answer
    x = 3,561.08

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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.