Home / 1,340.46-2,010.17-450.81

Finding the Fourth Proportional to 1,340.46, 2,010.17 and 450.81

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Solution

The fourth proportional to 1,340.46, 2,010.17 and 450.81 is: 676.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340.46 : 2,010.17 = 450.81 : x
  2. Step 2: Convert to fraction form
    1,340.46/2,010.17 = 450.81/x
  3. Step 3: Cross multiply
    1,340.46x = 2,010.17 × 450.81
  4. Step 4: Simplify right side
    1,340.46x = 906,210.88
  5. Step 5: Solve for x
    x = 906,210.88/1,340.46
  6. Step 6: Final answer
    x = 676.04

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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.