Home / 3,101.04-4,651.20-2,929.68

Finding the Fourth Proportional to 3,101.04, 4,651.20 and 2,929.68

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Solution

The fourth proportional to 3,101.04, 4,651.20 and 2,929.68 is: 4,394.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.04 : 4,651.20 = 2,929.68 : x
  2. Step 2: Convert to fraction form
    3,101.04/4,651.20 = 2,929.68/x
  3. Step 3: Cross multiply
    3,101.04x = 4,651.20 × 2,929.68
  4. Step 4: Simplify right side
    3,101.04x = 13,626,527.62
  5. Step 5: Solve for x
    x = 13,626,527.62/3,101.04
  6. Step 6: Final answer
    x = 4,394.18

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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.