Home / 3,587.80-5,344.70-3,478.99

Finding the Fourth Proportional to 3,587.80, 5,344.70 and 3,478.99

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Solution

The fourth proportional to 3,587.80, 5,344.70 and 3,478.99 is: 5,182.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.80 : 5,344.70 = 3,478.99 : x
  2. Step 2: Convert to fraction form
    3,587.80/5,344.70 = 3,478.99/x
  3. Step 3: Cross multiply
    3,587.80x = 5,344.70 × 3,478.99
  4. Step 4: Simplify right side
    3,587.80x = 18,594,157.85
  5. Step 5: Solve for x
    x = 18,594,157.85/3,587.80
  6. Step 6: Final answer
    x = 5,182.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.