Home / 3,588.80-5,374.56-2,431.04

Finding the Fourth Proportional to 3,588.80, 5,374.56 and 2,431.04

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Solution

The fourth proportional to 3,588.80, 5,374.56 and 2,431.04 is: 3,640.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,588.80 : 5,374.56 = 2,431.04 : x
  2. Step 2: Convert to fraction form
    3,588.80/5,374.56 = 2,431.04/x
  3. Step 3: Cross multiply
    3,588.80x = 5,374.56 × 2,431.04
  4. Step 4: Simplify right side
    3,588.80x = 13,065,770.34
  5. Step 5: Solve for x
    x = 13,065,770.34/3,588.80
  6. Step 6: Final answer
    x = 3,640.71

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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.