Home / 3,680.90-5,520.76-1,600.35

Finding the Fourth Proportional to 3,680.90, 5,520.76 and 1,600.35

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Solution

The fourth proportional to 3,680.90, 5,520.76 and 1,600.35 is: 2,400.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.90 : 5,520.76 = 1,600.35 : x
  2. Step 2: Convert to fraction form
    3,680.90/5,520.76 = 1,600.35/x
  3. Step 3: Cross multiply
    3,680.90x = 5,520.76 × 1,600.35
  4. Step 4: Simplify right side
    3,680.90x = 8,835,148.27
  5. Step 5: Solve for x
    x = 8,835,148.27/3,680.90
  6. Step 6: Final answer
    x = 2,400.27

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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.