Home / 2,008.20-3,013.32-839.16

Finding the Fourth Proportional to 2,008.20, 3,013.32 and 839.16

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Solution

The fourth proportional to 2,008.20, 3,013.32 and 839.16 is: 1,259.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008.20 : 3,013.32 = 839.16 : x
  2. Step 2: Convert to fraction form
    2,008.20/3,013.32 = 839.16/x
  3. Step 3: Cross multiply
    2,008.20x = 3,013.32 × 839.16
  4. Step 4: Simplify right side
    2,008.20x = 2,528,657.61
  5. Step 5: Solve for x
    x = 2,528,657.61/2,008.20
  6. Step 6: Final answer
    x = 1,259.17

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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.