Home / 1,373.73-2,055.70-1,007.61

Finding the Fourth Proportional to 1,373.73, 2,055.70 and 1,007.61

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Solution

The fourth proportional to 1,373.73, 2,055.70 and 1,007.61 is: 1,507.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373.73 : 2,055.70 = 1,007.61 : x
  2. Step 2: Convert to fraction form
    1,373.73/2,055.70 = 1,007.61/x
  3. Step 3: Cross multiply
    1,373.73x = 2,055.70 × 1,007.61
  4. Step 4: Simplify right side
    1,373.73x = 2,071,343.88
  5. Step 5: Solve for x
    x = 2,071,343.88/1,373.73
  6. Step 6: Final answer
    x = 1,507.82

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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.