Home / 1,340.08-1,851.85-1,007.93

Finding the Fourth Proportional to 1,340.08, 1,851.85 and 1,007.93

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Solution

The fourth proportional to 1,340.08, 1,851.85 and 1,007.93 is: 1,392.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340.08 : 1,851.85 = 1,007.93 : x
  2. Step 2: Convert to fraction form
    1,340.08/1,851.85 = 1,007.93/x
  3. Step 3: Cross multiply
    1,340.08x = 1,851.85 × 1,007.93
  4. Step 4: Simplify right side
    1,340.08x = 1,866,524.97
  5. Step 5: Solve for x
    x = 1,866,524.97/1,340.08
  6. Step 6: Final answer
    x = 1,392.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.