Home / 3,454.80-4,767.36-1,882.86

Finding the Fourth Proportional to 3,454.80, 4,767.36 and 1,882.86

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Solution

The fourth proportional to 3,454.80, 4,767.36 and 1,882.86 is: 2,598.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.80 : 4,767.36 = 1,882.86 : x
  2. Step 2: Convert to fraction form
    3,454.80/4,767.36 = 1,882.86/x
  3. Step 3: Cross multiply
    3,454.80x = 4,767.36 × 1,882.86
  4. Step 4: Simplify right side
    3,454.80x = 8,976,271.45
  5. Step 5: Solve for x
    x = 8,976,271.45/3,454.80
  6. Step 6: Final answer
    x = 2,598.20

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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.