Home / 2,929.47-4,394.20-983.04

Finding the Fourth Proportional to 2,929.47, 4,394.20 and 983.04

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Solution

The fourth proportional to 2,929.47, 4,394.20 and 983.04 is: 1,474.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.47 : 4,394.20 = 983.04 : x
  2. Step 2: Convert to fraction form
    2,929.47/4,394.20 = 983.04/x
  3. Step 3: Cross multiply
    2,929.47x = 4,394.20 × 983.04
  4. Step 4: Simplify right side
    2,929.47x = 4,319,657.28
  5. Step 5: Solve for x
    x = 4,319,657.28/2,929.47
  6. Step 6: Final answer
    x = 1,474.55

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Similar ratio
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1.5x scale

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.