Home / 3,102.20-4,652.84-1,154.12

Finding the Fourth Proportional to 3,102.20, 4,652.84 and 1,154.12

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Solution

The fourth proportional to 3,102.20, 4,652.84 and 1,154.12 is: 1,731.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.20 : 4,652.84 = 1,154.12 : x
  2. Step 2: Convert to fraction form
    3,102.20/4,652.84 = 1,154.12/x
  3. Step 3: Cross multiply
    3,102.20x = 4,652.84 × 1,154.12
  4. Step 4: Simplify right side
    3,102.20x = 5,369,935.70
  5. Step 5: Solve for x
    x = 5,369,935.70/3,102.20
  6. Step 6: Final answer
    x = 1,731.01

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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.