Home / 2,278.96-3,146.54-1,746.92

Finding the Fourth Proportional to 2,278.96, 3,146.54 and 1,746.92

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Solution

The fourth proportional to 2,278.96, 3,146.54 and 1,746.92 is: 2,411.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.96 : 3,146.54 = 1,746.92 : x
  2. Step 2: Convert to fraction form
    2,278.96/3,146.54 = 1,746.92/x
  3. Step 3: Cross multiply
    2,278.96x = 3,146.54 × 1,746.92
  4. Step 4: Simplify right side
    2,278.96x = 5,496,753.66
  5. Step 5: Solve for x
    x = 5,496,753.66/2,278.96
  6. Step 6: Final answer
    x = 2,411.96

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Double scale
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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.