Home / 3,549.83-5,320.18-3,328.40

Finding the Fourth Proportional to 3,549.83, 5,320.18 and 3,328.40

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Solution

The fourth proportional to 3,549.83, 5,320.18 and 3,328.40 is: 4,988.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.83 : 5,320.18 = 3,328.40 : x
  2. Step 2: Convert to fraction form
    3,549.83/5,320.18 = 3,328.40/x
  3. Step 3: Cross multiply
    3,549.83x = 5,320.18 × 3,328.40
  4. Step 4: Simplify right side
    3,549.83x = 17,707,687.11
  5. Step 5: Solve for x
    x = 17,707,687.11/3,549.83
  6. Step 6: Final answer
    x = 4,988.32

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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.