Home / 1,236.11-1,854.50-370.44

Finding the Fourth Proportional to 1,236.11, 1,854.50 and 370.44

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Solution

The fourth proportional to 1,236.11, 1,854.50 and 370.44 is: 555.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236.11 : 1,854.50 = 370.44 : x
  2. Step 2: Convert to fraction form
    1,236.11/1,854.50 = 370.44/x
  3. Step 3: Cross multiply
    1,236.11x = 1,854.50 × 370.44
  4. Step 4: Simplify right side
    1,236.11x = 686,979.13
  5. Step 5: Solve for x
    x = 686,979.13/1,236.11
  6. Step 6: Final answer
    x = 555.76

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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.