Home / 3,585.18-5,375.67-1,391.34

Finding the Fourth Proportional to 3,585.18, 5,375.67 and 1,391.34

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Solution

The fourth proportional to 3,585.18, 5,375.67 and 1,391.34 is: 2,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.18 : 5,375.67 = 1,391.34 : x
  2. Step 2: Convert to fraction form
    3,585.18/5,375.67 = 1,391.34/x
  3. Step 3: Cross multiply
    3,585.18x = 5,375.67 × 1,391.34
  4. Step 4: Simplify right side
    3,585.18x = 7,479,384.70
  5. Step 5: Solve for x
    x = 7,479,384.70/3,585.18
  6. Step 6: Final answer
    x = 2,086.20

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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.