Home / 3,671.12-5,506.40-1,073.92

Finding the Fourth Proportional to 3,671.12, 5,506.40 and 1,073.92

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Solution

The fourth proportional to 3,671.12, 5,506.40 and 1,073.92 is: 1,610.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.12 : 5,506.40 = 1,073.92 : x
  2. Step 2: Convert to fraction form
    3,671.12/5,506.40 = 1,073.92/x
  3. Step 3: Cross multiply
    3,671.12x = 5,506.40 × 1,073.92
  4. Step 4: Simplify right side
    3,671.12x = 5,913,433.09
  5. Step 5: Solve for x
    x = 5,913,433.09/3,671.12
  6. Step 6: Final answer
    x = 1,610.80

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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.