Home / 3,561.80-5,330.55-3,124.40

Finding the Fourth Proportional to 3,561.80, 5,330.55 and 3,124.40

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Solution

The fourth proportional to 3,561.80, 5,330.55 and 3,124.40 is: 4,675.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.80 : 5,330.55 = 3,124.40 : x
  2. Step 2: Convert to fraction form
    3,561.80/5,330.55 = 3,124.40/x
  3. Step 3: Cross multiply
    3,561.80x = 5,330.55 × 3,124.40
  4. Step 4: Simplify right side
    3,561.80x = 16,654,770.42
  5. Step 5: Solve for x
    x = 16,654,770.42/3,561.80
  6. Step 6: Final answer
    x = 4,675.94

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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.