Home / 2,423.20-3,343.44-1,375.84

Finding the Fourth Proportional to 2,423.20, 3,343.44 and 1,375.84

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Solution

The fourth proportional to 2,423.20, 3,343.44 and 1,375.84 is: 1,898.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.20 : 3,343.44 = 1,375.84 : x
  2. Step 2: Convert to fraction form
    2,423.20/3,343.44 = 1,375.84/x
  3. Step 3: Cross multiply
    2,423.20x = 3,343.44 × 1,375.84
  4. Step 4: Simplify right side
    2,423.20x = 4,600,038.49
  5. Step 5: Solve for x
    x = 4,600,038.49/2,423.20
  6. Step 6: Final answer
    x = 1,898.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.