Home / 3,248.64-4,871.34-1,299.24

Finding the Fourth Proportional to 3,248.64, 4,871.34 and 1,299.24

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Solution

The fourth proportional to 3,248.64, 4,871.34 and 1,299.24 is: 1,948.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.64 : 4,871.34 = 1,299.24 : x
  2. Step 2: Convert to fraction form
    3,248.64/4,871.34 = 1,299.24/x
  3. Step 3: Cross multiply
    3,248.64x = 4,871.34 × 1,299.24
  4. Step 4: Simplify right side
    3,248.64x = 6,329,039.78
  5. Step 5: Solve for x
    x = 6,329,039.78/3,248.64
  6. Step 6: Final answer
    x = 1,948.21

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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.