Home / 2,808.46-4,212.71-1,248.10

Finding the Fourth Proportional to 2,808.46, 4,212.71 and 1,248.10

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Solution

The fourth proportional to 2,808.46, 4,212.71 and 1,248.10 is: 1,872.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.46 : 4,212.71 = 1,248.10 : x
  2. Step 2: Convert to fraction form
    2,808.46/4,212.71 = 1,248.10/x
  3. Step 3: Cross multiply
    2,808.46x = 4,212.71 × 1,248.10
  4. Step 4: Simplify right side
    2,808.46x = 5,257,871.26
  5. Step 5: Solve for x
    x = 5,257,871.26/2,808.46
  6. Step 6: Final answer
    x = 1,872.15

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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.