Home / 2,154.35-3,232.53-1,375.22

Finding the Fourth Proportional to 2,154.35, 3,232.53 and 1,375.22

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Solution

The fourth proportional to 2,154.35, 3,232.53 and 1,375.22 is: 2,063.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154.35 : 3,232.53 = 1,375.22 : x
  2. Step 2: Convert to fraction form
    2,154.35/3,232.53 = 1,375.22/x
  3. Step 3: Cross multiply
    2,154.35x = 3,232.53 × 1,375.22
  4. Step 4: Simplify right side
    2,154.35x = 4,445,423.74
  5. Step 5: Solve for x
    x = 4,445,423.74/2,154.35
  6. Step 6: Final answer
    x = 2,063.47

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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.