Home / 1,508.72-2,263.66-1,218.92

Finding the Fourth Proportional to 1,508.72, 2,263.66 and 1,218.92

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Solution

The fourth proportional to 1,508.72, 2,263.66 and 1,218.92 is: 1,828.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.72 : 2,263.66 = 1,218.92 : x
  2. Step 2: Convert to fraction form
    1,508.72/2,263.66 = 1,218.92/x
  3. Step 3: Cross multiply
    1,508.72x = 2,263.66 × 1,218.92
  4. Step 4: Simplify right side
    1,508.72x = 2,759,206.08
  5. Step 5: Solve for x
    x = 2,759,206.08/1,508.72
  6. Step 6: Final answer
    x = 1,828.85

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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.