Home / 3,206.80-4,787.02-2,966.32

Finding the Fourth Proportional to 3,206.80, 4,787.02 and 2,966.32

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Solution

The fourth proportional to 3,206.80, 4,787.02 and 2,966.32 is: 4,428.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.80 : 4,787.02 = 2,966.32 : x
  2. Step 2: Convert to fraction form
    3,206.80/4,787.02 = 2,966.32/x
  3. Step 3: Cross multiply
    3,206.80x = 4,787.02 × 2,966.32
  4. Step 4: Simplify right side
    3,206.80x = 14,199,833.17
  5. Step 5: Solve for x
    x = 14,199,833.17/3,206.80
  6. Step 6: Final answer
    x = 4,428.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.