Home / 2,456.46-3,389.04-1,407.92

Finding the Fourth Proportional to 2,456.46, 3,389.04 and 1,407.92

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Solution

The fourth proportional to 2,456.46, 3,389.04 and 1,407.92 is: 1,942.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456.46 : 3,389.04 = 1,407.92 : x
  2. Step 2: Convert to fraction form
    2,456.46/3,389.04 = 1,407.92/x
  3. Step 3: Cross multiply
    2,456.46x = 3,389.04 × 1,407.92
  4. Step 4: Simplify right side
    2,456.46x = 4,771,480.25
  5. Step 5: Solve for x
    x = 4,771,480.25/2,456.46
  6. Step 6: Final answer
    x = 1,942.42

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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.