Home / 2,458.85-3,385.38-2,291.18

Finding the Fourth Proportional to 2,458.85, 3,385.38 and 2,291.18

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Solution

The fourth proportional to 2,458.85, 3,385.38 and 2,291.18 is: 3,154.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.85 : 3,385.38 = 2,291.18 : x
  2. Step 2: Convert to fraction form
    2,458.85/3,385.38 = 2,291.18/x
  3. Step 3: Cross multiply
    2,458.85x = 3,385.38 × 2,291.18
  4. Step 4: Simplify right side
    2,458.85x = 7,756,503.49
  5. Step 5: Solve for x
    x = 7,756,503.49/2,458.85
  6. Step 6: Final answer
    x = 3,154.52

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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.