Home / 3,154.13-4,731.20-1,102.13

Finding the Fourth Proportional to 3,154.13, 4,731.20 and 1,102.13

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Solution

The fourth proportional to 3,154.13, 4,731.20 and 1,102.13 is: 1,653.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.13 : 4,731.20 = 1,102.13 : x
  2. Step 2: Convert to fraction form
    3,154.13/4,731.20 = 1,102.13/x
  3. Step 3: Cross multiply
    3,154.13x = 4,731.20 × 1,102.13
  4. Step 4: Simplify right side
    3,154.13x = 5,214,368.29
  5. Step 5: Solve for x
    x = 5,214,368.29/3,154.13
  6. Step 6: Final answer
    x = 1,653.19

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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.