Home / 2,377.85-3,281.43-1,329.90

Finding the Fourth Proportional to 2,377.85, 3,281.43 and 1,329.90

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Solution

The fourth proportional to 2,377.85, 3,281.43 and 1,329.90 is: 1,835.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,377.85 : 3,281.43 = 1,329.90 : x
  2. Step 2: Convert to fraction form
    2,377.85/3,281.43 = 1,329.90/x
  3. Step 3: Cross multiply
    2,377.85x = 3,281.43 × 1,329.90
  4. Step 4: Simplify right side
    2,377.85x = 4,363,973.76
  5. Step 5: Solve for x
    x = 4,363,973.76/2,377.85
  6. Step 6: Final answer
    x = 1,835.26

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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.