Home / 2,417.64-3,627.30-1,120.02

Finding the Fourth Proportional to 2,417.64, 3,627.30 and 1,120.02

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Solution

The fourth proportional to 2,417.64, 3,627.30 and 1,120.02 is: 1,680.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.64 : 3,627.30 = 1,120.02 : x
  2. Step 2: Convert to fraction form
    2,417.64/3,627.30 = 1,120.02/x
  3. Step 3: Cross multiply
    2,417.64x = 3,627.30 × 1,120.02
  4. Step 4: Simplify right side
    2,417.64x = 4,062,648.55
  5. Step 5: Solve for x
    x = 4,062,648.55/2,417.64
  6. Step 6: Final answer
    x = 1,680.42

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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.