Home / 3,700.64-5,103.60-2,650.88

Finding the Fourth Proportional to 3,700.64, 5,103.60 and 2,650.88

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Solution

The fourth proportional to 3,700.64, 5,103.60 and 2,650.88 is: 3,655.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.64 : 5,103.60 = 2,650.88 : x
  2. Step 2: Convert to fraction form
    3,700.64/5,103.60 = 2,650.88/x
  3. Step 3: Cross multiply
    3,700.64x = 5,103.60 × 2,650.88
  4. Step 4: Simplify right side
    3,700.64x = 13,529,031.17
  5. Step 5: Solve for x
    x = 13,529,031.17/3,700.64
  6. Step 6: Final answer
    x = 3,655.86

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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.