Home / 3,079.40-4,617.75-888.08

Finding the Fourth Proportional to 3,079.40, 4,617.75 and 888.08

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Solution

The fourth proportional to 3,079.40, 4,617.75 and 888.08 is: 1,331.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.40 : 4,617.75 = 888.08 : x
  2. Step 2: Convert to fraction form
    3,079.40/4,617.75 = 888.08/x
  3. Step 3: Cross multiply
    3,079.40x = 4,617.75 × 888.08
  4. Step 4: Simplify right side
    3,079.40x = 4,100,931.42
  5. Step 5: Solve for x
    x = 4,100,931.42/3,079.40
  6. Step 6: Final answer
    x = 1,331.73

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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.