Home / 1,835.92-2,534.76-1,215.28

Finding the Fourth Proportional to 1,835.92, 2,534.76 and 1,215.28

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Solution

The fourth proportional to 1,835.92, 2,534.76 and 1,215.28 is: 1,677.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.92 : 2,534.76 = 1,215.28 : x
  2. Step 2: Convert to fraction form
    1,835.92/2,534.76 = 1,215.28/x
  3. Step 3: Cross multiply
    1,835.92x = 2,534.76 × 1,215.28
  4. Step 4: Simplify right side
    1,835.92x = 3,080,443.13
  5. Step 5: Solve for x
    x = 3,080,443.13/1,835.92
  6. Step 6: Final answer
    x = 1,677.87

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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.