Home / 2,418.60-3,337.80-1,828.08

Finding the Fourth Proportional to 2,418.60, 3,337.80 and 1,828.08

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Solution

The fourth proportional to 2,418.60, 3,337.80 and 1,828.08 is: 2,522.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.60 : 3,337.80 = 1,828.08 : x
  2. Step 2: Convert to fraction form
    2,418.60/3,337.80 = 1,828.08/x
  3. Step 3: Cross multiply
    2,418.60x = 3,337.80 × 1,828.08
  4. Step 4: Simplify right side
    2,418.60x = 6,101,765.42
  5. Step 5: Solve for x
    x = 6,101,765.42/2,418.60
  6. Step 6: Final answer
    x = 2,522.85

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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.