Home / 2,966.28-4,452.10-1,580.78

Finding the Fourth Proportional to 2,966.28, 4,452.10 and 1,580.78

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Solution

The fourth proportional to 2,966.28, 4,452.10 and 1,580.78 is: 2,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.28 : 4,452.10 = 1,580.78 : x
  2. Step 2: Convert to fraction form
    2,966.28/4,452.10 = 1,580.78/x
  3. Step 3: Cross multiply
    2,966.28x = 4,452.10 × 1,580.78
  4. Step 4: Simplify right side
    2,966.28x = 7,037,790.64
  5. Step 5: Solve for x
    x = 7,037,790.64/2,966.28
  6. Step 6: Final answer
    x = 2,372.60

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1.5x scale

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.