Home / 2,374.38-3,558.36-1,317.71

Finding the Fourth Proportional to 2,374.38, 3,558.36 and 1,317.71

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Solution

The fourth proportional to 2,374.38, 3,558.36 and 1,317.71 is: 1,974.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,374.38 : 3,558.36 = 1,317.71 : x
  2. Step 2: Convert to fraction form
    2,374.38/3,558.36 = 1,317.71/x
  3. Step 3: Cross multiply
    2,374.38x = 3,558.36 × 1,317.71
  4. Step 4: Simplify right side
    2,374.38x = 4,688,868.76
  5. Step 5: Solve for x
    x = 4,688,868.76/2,374.38
  6. Step 6: Final answer
    x = 1,974.78

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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.