Home / 3,767.28-5,649.90-1,575.55

Finding the Fourth Proportional to 3,767.28, 5,649.90 and 1,575.55

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Solution

The fourth proportional to 3,767.28, 5,649.90 and 1,575.55 is: 2,362.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.28 : 5,649.90 = 1,575.55 : x
  2. Step 2: Convert to fraction form
    3,767.28/5,649.90 = 1,575.55/x
  3. Step 3: Cross multiply
    3,767.28x = 5,649.90 × 1,575.55
  4. Step 4: Simplify right side
    3,767.28x = 8,901,699.95
  5. Step 5: Solve for x
    x = 8,901,699.95/3,767.28
  6. Step 6: Final answer
    x = 2,362.90

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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.