Home / 1,631.78-2,444.73-1,373.39

Finding the Fourth Proportional to 1,631.78, 2,444.73 and 1,373.39

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Solution

The fourth proportional to 1,631.78, 2,444.73 and 1,373.39 is: 2,057.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.78 : 2,444.73 = 1,373.39 : x
  2. Step 2: Convert to fraction form
    1,631.78/2,444.73 = 1,373.39/x
  3. Step 3: Cross multiply
    1,631.78x = 2,444.73 × 1,373.39
  4. Step 4: Simplify right side
    1,631.78x = 3,357,567.73
  5. Step 5: Solve for x
    x = 3,357,567.73/1,631.78
  6. Step 6: Final answer
    x = 2,057.61

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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.