Home / 3,729.30-5,587.20-2,954.40

Finding the Fourth Proportional to 3,729.30, 5,587.20 and 2,954.40

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Solution

The fourth proportional to 3,729.30, 5,587.20 and 2,954.40 is: 4,426.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.30 : 5,587.20 = 2,954.40 : x
  2. Step 2: Convert to fraction form
    3,729.30/5,587.20 = 2,954.40/x
  3. Step 3: Cross multiply
    3,729.30x = 5,587.20 × 2,954.40
  4. Step 4: Simplify right side
    3,729.30x = 16,506,823.68
  5. Step 5: Solve for x
    x = 16,506,823.68/3,729.30
  6. Step 6: Final answer
    x = 4,426.25

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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.