Home / 3,312.28-4,966.96-1,120.44

Finding the Fourth Proportional to 3,312.28, 4,966.96 and 1,120.44

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Solution

The fourth proportional to 3,312.28, 4,966.96 and 1,120.44 is: 1,680.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.28 : 4,966.96 = 1,120.44 : x
  2. Step 2: Convert to fraction form
    3,312.28/4,966.96 = 1,120.44/x
  3. Step 3: Cross multiply
    3,312.28x = 4,966.96 × 1,120.44
  4. Step 4: Simplify right side
    3,312.28x = 5,565,180.66
  5. Step 5: Solve for x
    x = 5,565,180.66/3,312.28
  6. Step 6: Final answer
    x = 1,680.17

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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.