Home / 2,419.85-3,627.03-1,248.05

Finding the Fourth Proportional to 2,419.85, 3,627.03 and 1,248.05

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Solution

The fourth proportional to 2,419.85, 3,627.03 and 1,248.05 is: 1,870.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.85 : 3,627.03 = 1,248.05 : x
  2. Step 2: Convert to fraction form
    2,419.85/3,627.03 = 1,248.05/x
  3. Step 3: Cross multiply
    2,419.85x = 3,627.03 × 1,248.05
  4. Step 4: Simplify right side
    2,419.85x = 4,526,714.79
  5. Step 5: Solve for x
    x = 4,526,714.79/2,419.85
  6. Step 6: Final answer
    x = 1,870.66

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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.