Home / 2,965.28-4,445.52-1,235.20

Finding the Fourth Proportional to 2,965.28, 4,445.52 and 1,235.20

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Solution

The fourth proportional to 2,965.28, 4,445.52 and 1,235.20 is: 1,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.28 : 4,445.52 = 1,235.20 : x
  2. Step 2: Convert to fraction form
    2,965.28/4,445.52 = 1,235.20/x
  3. Step 3: Cross multiply
    2,965.28x = 4,445.52 × 1,235.20
  4. Step 4: Simplify right side
    2,965.28x = 5,491,106.30
  5. Step 5: Solve for x
    x = 5,491,106.30/2,965.28
  6. Step 6: Final answer
    x = 1,851.80

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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.