Home / 2,008.24-3,011.28-853.36

Finding the Fourth Proportional to 2,008.24, 3,011.28 and 853.36

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Solution

The fourth proportional to 2,008.24, 3,011.28 and 853.36 is: 1,279.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008.24 : 3,011.28 = 853.36 : x
  2. Step 2: Convert to fraction form
    2,008.24/3,011.28 = 853.36/x
  3. Step 3: Cross multiply
    2,008.24x = 3,011.28 × 853.36
  4. Step 4: Simplify right side
    2,008.24x = 2,569,705.90
  5. Step 5: Solve for x
    x = 2,569,705.90/2,008.24
  6. Step 6: Final answer
    x = 1,279.58

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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.