Home / 2,938.18-4,404.78-1,377.40

Finding the Fourth Proportional to 2,938.18, 4,404.78 and 1,377.40

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Solution

The fourth proportional to 2,938.18, 4,404.78 and 1,377.40 is: 2,064.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.18 : 4,404.78 = 1,377.40 : x
  2. Step 2: Convert to fraction form
    2,938.18/4,404.78 = 1,377.40/x
  3. Step 3: Cross multiply
    2,938.18x = 4,404.78 × 1,377.40
  4. Step 4: Simplify right side
    2,938.18x = 6,067,143.97
  5. Step 5: Solve for x
    x = 6,067,143.97/2,938.18
  6. Step 6: Final answer
    x = 2,064.93

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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.