Home / 3,512.85-5,269.28-1,322.07

Finding the Fourth Proportional to 3,512.85, 5,269.28 and 1,322.07

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Solution

The fourth proportional to 3,512.85, 5,269.28 and 1,322.07 is: 1,983.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.85 : 5,269.28 = 1,322.07 : x
  2. Step 2: Convert to fraction form
    3,512.85/5,269.28 = 1,322.07/x
  3. Step 3: Cross multiply
    3,512.85x = 5,269.28 × 1,322.07
  4. Step 4: Simplify right side
    3,512.85x = 6,966,350.40
  5. Step 5: Solve for x
    x = 6,966,350.40/3,512.85
  6. Step 6: Final answer
    x = 1,983.11

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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.