Home / 2,972.39-4,458.60-1,217.34

Finding the Fourth Proportional to 2,972.39, 4,458.60 and 1,217.34

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Solution

The fourth proportional to 2,972.39, 4,458.60 and 1,217.34 is: 1,826.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.39 : 4,458.60 = 1,217.34 : x
  2. Step 2: Convert to fraction form
    2,972.39/4,458.60 = 1,217.34/x
  3. Step 3: Cross multiply
    2,972.39x = 4,458.60 × 1,217.34
  4. Step 4: Simplify right side
    2,972.39x = 5,427,632.12
  5. Step 5: Solve for x
    x = 5,427,632.12/2,972.39
  6. Step 6: Final answer
    x = 1,826.02

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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.