Home / 3,454.80-4,767.68-1,882.88

Finding the Fourth Proportional to 3,454.80, 4,767.68 and 1,882.88

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Solution

The fourth proportional to 3,454.80, 4,767.68 and 1,882.88 is: 2,598.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.80 : 4,767.68 = 1,882.88 : x
  2. Step 2: Convert to fraction form
    3,454.80/4,767.68 = 1,882.88/x
  3. Step 3: Cross multiply
    3,454.80x = 4,767.68 × 1,882.88
  4. Step 4: Simplify right side
    3,454.80x = 8,976,969.32
  5. Step 5: Solve for x
    x = 8,976,969.32/3,454.80
  6. Step 6: Final answer
    x = 2,598.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.