Home / 3,010.72-4,516.08-1,278.13

Finding the Fourth Proportional to 3,010.72, 4,516.08 and 1,278.13

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Solution

The fourth proportional to 3,010.72, 4,516.08 and 1,278.13 is: 1,917.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.72 : 4,516.08 = 1,278.13 : x
  2. Step 2: Convert to fraction form
    3,010.72/4,516.08 = 1,278.13/x
  3. Step 3: Cross multiply
    3,010.72x = 4,516.08 × 1,278.13
  4. Step 4: Simplify right side
    3,010.72x = 5,772,108.36
  5. Step 5: Solve for x
    x = 5,772,108.36/3,010.72
  6. Step 6: Final answer
    x = 1,917.19

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Double scale
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Similar ratio
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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.