Home / 3,655.18-5,481.06-1,575.10

Finding the Fourth Proportional to 3,655.18, 5,481.06 and 1,575.10

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Solution

The fourth proportional to 3,655.18, 5,481.06 and 1,575.10 is: 2,361.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.18 : 5,481.06 = 1,575.10 : x
  2. Step 2: Convert to fraction form
    3,655.18/5,481.06 = 1,575.10/x
  3. Step 3: Cross multiply
    3,655.18x = 5,481.06 × 1,575.10
  4. Step 4: Simplify right side
    3,655.18x = 8,633,217.61
  5. Step 5: Solve for x
    x = 8,633,217.61/3,655.18
  6. Step 6: Final answer
    x = 2,361.91

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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.