Home / 1,508.34-2,081.28-845.10

Finding the Fourth Proportional to 1,508.34, 2,081.28 and 845.10

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Solution

The fourth proportional to 1,508.34, 2,081.28 and 845.10 is: 1,166.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.34 : 2,081.28 = 845.10 : x
  2. Step 2: Convert to fraction form
    1,508.34/2,081.28 = 845.10/x
  3. Step 3: Cross multiply
    1,508.34x = 2,081.28 × 845.10
  4. Step 4: Simplify right side
    1,508.34x = 1,758,889.73
  5. Step 5: Solve for x
    x = 1,758,889.73/1,508.34
  6. Step 6: Final answer
    x = 1,166.11

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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.