Home / 1,498.40-2,247.60-1,133.90

Finding the Fourth Proportional to 1,498.40, 2,247.60 and 1,133.90

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Solution

The fourth proportional to 1,498.40, 2,247.60 and 1,133.90 is: 1,700.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498.40 : 2,247.60 = 1,133.90 : x
  2. Step 2: Convert to fraction form
    1,498.40/2,247.60 = 1,133.90/x
  3. Step 3: Cross multiply
    1,498.40x = 2,247.60 × 1,133.90
  4. Step 4: Simplify right side
    1,498.40x = 2,548,553.64
  5. Step 5: Solve for x
    x = 2,548,553.64/1,498.40
  6. Step 6: Final answer
    x = 1,700.85

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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.