Home / 3,112.16-4,666.52-1,236.15

Finding the Fourth Proportional to 3,112.16, 4,666.52 and 1,236.15

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Solution

The fourth proportional to 3,112.16, 4,666.52 and 1,236.15 is: 1,853.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.16 : 4,666.52 = 1,236.15 : x
  2. Step 2: Convert to fraction form
    3,112.16/4,666.52 = 1,236.15/x
  3. Step 3: Cross multiply
    3,112.16x = 4,666.52 × 1,236.15
  4. Step 4: Simplify right side
    3,112.16x = 5,768,534.91
  5. Step 5: Solve for x
    x = 5,768,534.91/3,112.16
  6. Step 6: Final answer
    x = 1,853.54

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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.