Home / 2,387.04-3,294.14-1,392.92

Finding the Fourth Proportional to 2,387.04, 3,294.14 and 1,392.92

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Solution

The fourth proportional to 2,387.04, 3,294.14 and 1,392.92 is: 1,922.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387.04 : 3,294.14 = 1,392.92 : x
  2. Step 2: Convert to fraction form
    2,387.04/3,294.14 = 1,392.92/x
  3. Step 3: Cross multiply
    2,387.04x = 3,294.14 × 1,392.92
  4. Step 4: Simplify right side
    2,387.04x = 4,588,473.49
  5. Step 5: Solve for x
    x = 4,588,473.49/2,387.04
  6. Step 6: Final answer
    x = 1,922.24

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Double scale
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1.5x scale

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.