Home / 1,731.42-2,388-1,532.46

Finding the Fourth Proportional to 1,731.42, 2,388 and 1,532.46

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Solution

The fourth proportional to 1,731.42, 2,388 and 1,532.46 is: 2,113.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.42 : 2,388 = 1,532.46 : x
  2. Step 2: Convert to fraction form
    1,731.42/2,388 = 1,532.46/x
  3. Step 3: Cross multiply
    1,731.42x = 2,388 × 1,532.46
  4. Step 4: Simplify right side
    1,731.42x = 3,659,514.48
  5. Step 5: Solve for x
    x = 3,659,514.48/1,731.42
  6. Step 6: Final answer
    x = 2,113.59

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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.