Home / 3,549.93-5,320.85-2,160.20

Finding the Fourth Proportional to 3,549.93, 5,320.85 and 2,160.20

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Solution

The fourth proportional to 3,549.93, 5,320.85 and 2,160.20 is: 3,237.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.93 : 5,320.85 = 2,160.20 : x
  2. Step 2: Convert to fraction form
    3,549.93/5,320.85 = 2,160.20/x
  3. Step 3: Cross multiply
    3,549.93x = 5,320.85 × 2,160.20
  4. Step 4: Simplify right side
    3,549.93x = 11,494,110.77
  5. Step 5: Solve for x
    x = 11,494,110.77/3,549.93
  6. Step 6: Final answer
    x = 3,237.84

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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.