Home / 3,079.79-4,619.68-888.53

Finding the Fourth Proportional to 3,079.79, 4,619.68 and 888.53

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Solution

The fourth proportional to 3,079.79, 4,619.68 and 888.53 is: 1,332.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.79 : 4,619.68 = 888.53 : x
  2. Step 2: Convert to fraction form
    3,079.79/4,619.68 = 888.53/x
  3. Step 3: Cross multiply
    3,079.79x = 4,619.68 × 888.53
  4. Step 4: Simplify right side
    3,079.79x = 4,104,724.27
  5. Step 5: Solve for x
    x = 4,104,724.27/3,079.79
  6. Step 6: Final answer
    x = 1,332.79

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Similar ratio
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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.