Home / 2,979.30-4,470.27-1,032.90

Finding the Fourth Proportional to 2,979.30, 4,470.27 and 1,032.90

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Solution

The fourth proportional to 2,979.30, 4,470.27 and 1,032.90 is: 1,549.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.30 : 4,470.27 = 1,032.90 : x
  2. Step 2: Convert to fraction form
    2,979.30/4,470.27 = 1,032.90/x
  3. Step 3: Cross multiply
    2,979.30x = 4,470.27 × 1,032.90
  4. Step 4: Simplify right side
    2,979.30x = 4,617,341.88
  5. Step 5: Solve for x
    x = 4,617,341.88/2,979.30
  6. Step 6: Final answer
    x = 1,549.81

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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.