Home / 1,340.20-2,007.18-1,303.29

Finding the Fourth Proportional to 1,340.20, 2,007.18 and 1,303.29

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Solution

The fourth proportional to 1,340.20, 2,007.18 and 1,303.29 is: 1,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340.20 : 2,007.18 = 1,303.29 : x
  2. Step 2: Convert to fraction form
    1,340.20/2,007.18 = 1,303.29/x
  3. Step 3: Cross multiply
    1,340.20x = 2,007.18 × 1,303.29
  4. Step 4: Simplify right side
    1,340.20x = 2,615,937.62
  5. Step 5: Solve for x
    x = 2,615,937.62/1,340.20
  6. Step 6: Final answer
    x = 1,951.90

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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.