Home / 2,393.35-3,581-2,150.55

Finding the Fourth Proportional to 2,393.35, 3,581 and 2,150.55

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Solution

The fourth proportional to 2,393.35, 3,581 and 2,150.55 is: 3,217.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,393.35 : 3,581 = 2,150.55 : x
  2. Step 2: Convert to fraction form
    2,393.35/3,581 = 2,150.55/x
  3. Step 3: Cross multiply
    2,393.35x = 3,581 × 2,150.55
  4. Step 4: Simplify right side
    2,393.35x = 7,701,119.55
  5. Step 5: Solve for x
    x = 7,701,119.55/2,393.35
  6. Step 6: Final answer
    x = 3,217.72

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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.