Home / 3,088.20-4,630-1,140.04

Finding the Fourth Proportional to 3,088.20, 4,630 and 1,140.04

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Solution

The fourth proportional to 3,088.20, 4,630 and 1,140.04 is: 1,709.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.20 : 4,630 = 1,140.04 : x
  2. Step 2: Convert to fraction form
    3,088.20/4,630 = 1,140.04/x
  3. Step 3: Cross multiply
    3,088.20x = 4,630 × 1,140.04
  4. Step 4: Simplify right side
    3,088.20x = 5,278,385.20
  5. Step 5: Solve for x
    x = 5,278,385.20/3,088.20
  6. Step 6: Final answer
    x = 1,709.21

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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.