Home / 2,254.96-3,110.71-1,508.95

Finding the Fourth Proportional to 2,254.96, 3,110.71 and 1,508.95

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Solution

The fourth proportional to 2,254.96, 3,110.71 and 1,508.95 is: 2,081.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.96 : 3,110.71 = 1,508.95 : x
  2. Step 2: Convert to fraction form
    2,254.96/3,110.71 = 1,508.95/x
  3. Step 3: Cross multiply
    2,254.96x = 3,110.71 × 1,508.95
  4. Step 4: Simplify right side
    2,254.96x = 4,693,890.53
  5. Step 5: Solve for x
    x = 4,693,890.53/2,254.96
  6. Step 6: Final answer
    x = 2,081.59

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1.5x scale

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.