Home / 3,565.80-5,348.70-3,020.40

Finding the Fourth Proportional to 3,565.80, 5,348.70 and 3,020.40

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Solution

The fourth proportional to 3,565.80, 5,348.70 and 3,020.40 is: 4,530.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.80 : 5,348.70 = 3,020.40 : x
  2. Step 2: Convert to fraction form
    3,565.80/5,348.70 = 3,020.40/x
  3. Step 3: Cross multiply
    3,565.80x = 5,348.70 × 3,020.40
  4. Step 4: Simplify right side
    3,565.80x = 16,155,213.48
  5. Step 5: Solve for x
    x = 16,155,213.48/3,565.80
  6. Step 6: Final answer
    x = 4,530.60

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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.