Home / 2,966.79-4,452.86-1,581.28

Finding the Fourth Proportional to 2,966.79, 4,452.86 and 1,581.28

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Solution

The fourth proportional to 2,966.79, 4,452.86 and 1,581.28 is: 2,373.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.79 : 4,452.86 = 1,581.28 : x
  2. Step 2: Convert to fraction form
    2,966.79/4,452.86 = 1,581.28/x
  3. Step 3: Cross multiply
    2,966.79x = 4,452.86 × 1,581.28
  4. Step 4: Simplify right side
    2,966.79x = 7,041,218.46
  5. Step 5: Solve for x
    x = 7,041,218.46/2,966.79
  6. Step 6: Final answer
    x = 2,373.35

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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.