Home / 1,340.15-2,007.25-1,029.71

Finding the Fourth Proportional to 1,340.15, 2,007.25 and 1,029.71

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Solution

The fourth proportional to 1,340.15, 2,007.25 and 1,029.71 is: 1,542.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340.15 : 2,007.25 = 1,029.71 : x
  2. Step 2: Convert to fraction form
    1,340.15/2,007.25 = 1,029.71/x
  3. Step 3: Cross multiply
    1,340.15x = 2,007.25 × 1,029.71
  4. Step 4: Simplify right side
    1,340.15x = 2,066,887.84
  5. Step 5: Solve for x
    x = 2,066,887.84/1,340.15
  6. Step 6: Final answer
    x = 1,542.29

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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.