Home / 3,700.52-5,543.46-2,777.12

Finding the Fourth Proportional to 3,700.52, 5,543.46 and 2,777.12

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Solution

The fourth proportional to 3,700.52, 5,543.46 and 2,777.12 is: 4,160.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.52 : 5,543.46 = 2,777.12 : x
  2. Step 2: Convert to fraction form
    3,700.52/5,543.46 = 2,777.12/x
  3. Step 3: Cross multiply
    3,700.52x = 5,543.46 × 2,777.12
  4. Step 4: Simplify right side
    3,700.52x = 15,394,853.64
  5. Step 5: Solve for x
    x = 15,394,853.64/3,700.52
  6. Step 6: Final answer
    x = 4,160.19

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1.5x scale

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.