Home / 2,456.92-3,688.10-1,224

Finding the Fourth Proportional to 2,456.92, 3,688.10 and 1,224

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Solution

The fourth proportional to 2,456.92, 3,688.10 and 1,224 is: 1,837.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456.92 : 3,688.10 = 1,224 : x
  2. Step 2: Convert to fraction form
    2,456.92/3,688.10 = 1,224/x
  3. Step 3: Cross multiply
    2,456.92x = 3,688.10 × 1,224
  4. Step 4: Simplify right side
    2,456.92x = 4,514,234.40
  5. Step 5: Solve for x
    x = 4,514,234.40/2,456.92
  6. Step 6: Final answer
    x = 1,837.36

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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.