Home / 3,248.04-4,871.34-1,299.72

Finding the Fourth Proportional to 3,248.04, 4,871.34 and 1,299.72

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Solution

The fourth proportional to 3,248.04, 4,871.34 and 1,299.72 is: 1,949.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.04 : 4,871.34 = 1,299.72 : x
  2. Step 2: Convert to fraction form
    3,248.04/4,871.34 = 1,299.72/x
  3. Step 3: Cross multiply
    3,248.04x = 4,871.34 × 1,299.72
  4. Step 4: Simplify right side
    3,248.04x = 6,331,378.02
  5. Step 5: Solve for x
    x = 6,331,378.02/3,248.04
  6. Step 6: Final answer
    x = 1,949.29

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Double scale
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1.5x scale

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.