Home / 3,700.75-5,551.32-1,103.71

Finding the Fourth Proportional to 3,700.75, 5,551.32 and 1,103.71

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Solution

The fourth proportional to 3,700.75, 5,551.32 and 1,103.71 is: 1,655.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.75 : 5,551.32 = 1,103.71 : x
  2. Step 2: Convert to fraction form
    3,700.75/5,551.32 = 1,103.71/x
  3. Step 3: Cross multiply
    3,700.75x = 5,551.32 × 1,103.71
  4. Step 4: Simplify right side
    3,700.75x = 6,127,047.40
  5. Step 5: Solve for x
    x = 6,127,047.40/3,700.75
  6. Step 6: Final answer
    x = 1,655.62

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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.