Home / 4,132.08-5,702.28-2,269.20

Finding the Fourth Proportional to 4,132.08, 5,702.28 and 2,269.20

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Solution

The fourth proportional to 4,132.08, 5,702.28 and 2,269.20 is: 3,131.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,132.08 : 5,702.28 = 2,269.20 : x
  2. Step 2: Convert to fraction form
    4,132.08/5,702.28 = 2,269.20/x
  3. Step 3: Cross multiply
    4,132.08x = 5,702.28 × 2,269.20
  4. Step 4: Simplify right side
    4,132.08x = 12,939,613.78
  5. Step 5: Solve for x
    x = 12,939,613.78/4,132.08
  6. Step 6: Final answer
    x = 3,131.50

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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.