Home / 3,340.13-5,011.04-1,260.15

Finding the Fourth Proportional to 3,340.13, 5,011.04 and 1,260.15

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Solution

The fourth proportional to 3,340.13, 5,011.04 and 1,260.15 is: 1,890.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.13 : 5,011.04 = 1,260.15 : x
  2. Step 2: Convert to fraction form
    3,340.13/5,011.04 = 1,260.15/x
  3. Step 3: Cross multiply
    3,340.13x = 5,011.04 × 1,260.15
  4. Step 4: Simplify right side
    3,340.13x = 6,314,665.21
  5. Step 5: Solve for x
    x = 6,314,665.21/3,340.13
  6. Step 6: Final answer
    x = 1,890.55

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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.