Home / 2,228.48-3,342.63-929.91

Finding the Fourth Proportional to 2,228.48, 3,342.63 and 929.91

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Solution

The fourth proportional to 2,228.48, 3,342.63 and 929.91 is: 1,394.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.48 : 3,342.63 = 929.91 : x
  2. Step 2: Convert to fraction form
    2,228.48/3,342.63 = 929.91/x
  3. Step 3: Cross multiply
    2,228.48x = 3,342.63 × 929.91
  4. Step 4: Simplify right side
    2,228.48x = 3,108,345.06
  5. Step 5: Solve for x
    x = 3,108,345.06/2,228.48
  6. Step 6: Final answer
    x = 1,394.83

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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.