Home / 1,434.92-1,983.50-1,197.48

Finding the Fourth Proportional to 1,434.92, 1,983.50 and 1,197.48

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Solution

The fourth proportional to 1,434.92, 1,983.50 and 1,197.48 is: 1,655.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434.92 : 1,983.50 = 1,197.48 : x
  2. Step 2: Convert to fraction form
    1,434.92/1,983.50 = 1,197.48/x
  3. Step 3: Cross multiply
    1,434.92x = 1,983.50 × 1,197.48
  4. Step 4: Simplify right side
    1,434.92x = 2,375,204.57
  5. Step 5: Solve for x
    x = 2,375,204.57/1,434.92
  6. Step 6: Final answer
    x = 1,655.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.