Home / 2,229.74-3,079.62-1,482.40

Finding the Fourth Proportional to 2,229.74, 3,079.62 and 1,482.40

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Solution

The fourth proportional to 2,229.74, 3,079.62 and 1,482.40 is: 2,047.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.74 : 3,079.62 = 1,482.40 : x
  2. Step 2: Convert to fraction form
    2,229.74/3,079.62 = 1,482.40/x
  3. Step 3: Cross multiply
    2,229.74x = 3,079.62 × 1,482.40
  4. Step 4: Simplify right side
    2,229.74x = 4,565,232.54
  5. Step 5: Solve for x
    x = 4,565,232.54/2,229.74
  6. Step 6: Final answer
    x = 2,047.43

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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.