Home / 1,342.18-2,002.49-1,194.17

Finding the Fourth Proportional to 1,342.18, 2,002.49 and 1,194.17

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Solution

The fourth proportional to 1,342.18, 2,002.49 and 1,194.17 is: 1,781.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342.18 : 2,002.49 = 1,194.17 : x
  2. Step 2: Convert to fraction form
    1,342.18/2,002.49 = 1,194.17/x
  3. Step 3: Cross multiply
    1,342.18x = 2,002.49 × 1,194.17
  4. Step 4: Simplify right side
    1,342.18x = 2,391,303.47
  5. Step 5: Solve for x
    x = 2,391,303.47/1,342.18
  6. Step 6: Final answer
    x = 1,781.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.