Home / 1,434.06-2,151.10-1,395.18

Finding the Fourth Proportional to 1,434.06, 2,151.10 and 1,395.18

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Solution

The fourth proportional to 1,434.06, 2,151.10 and 1,395.18 is: 2,092.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434.06 : 2,151.10 = 1,395.18 : x
  2. Step 2: Convert to fraction form
    1,434.06/2,151.10 = 1,395.18/x
  3. Step 3: Cross multiply
    1,434.06x = 2,151.10 × 1,395.18
  4. Step 4: Simplify right side
    1,434.06x = 3,001,171.70
  5. Step 5: Solve for x
    x = 3,001,171.70/1,434.06
  6. Step 6: Final answer
    x = 2,092.78

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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.