Home / 3,113.38-4,671.30-1,165.14

Finding the Fourth Proportional to 3,113.38, 4,671.30 and 1,165.14

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Solution

The fourth proportional to 3,113.38, 4,671.30 and 1,165.14 is: 1,748.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.38 : 4,671.30 = 1,165.14 : x
  2. Step 2: Convert to fraction form
    3,113.38/4,671.30 = 1,165.14/x
  3. Step 3: Cross multiply
    3,113.38x = 4,671.30 × 1,165.14
  4. Step 4: Simplify right side
    3,113.38x = 5,442,718.48
  5. Step 5: Solve for x
    x = 5,442,718.48/3,113.38
  6. Step 6: Final answer
    x = 1,748.17

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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.