Home / 1,721-2,381.24-1,500.41

Finding the Fourth Proportional to 1,721, 2,381.24 and 1,500.41

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Solution

The fourth proportional to 1,721, 2,381.24 and 1,500.41 is: 2,076.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721 : 2,381.24 = 1,500.41 : x
  2. Step 2: Convert to fraction form
    1,721/2,381.24 = 1,500.41/x
  3. Step 3: Cross multiply
    1,721x = 2,381.24 × 1,500.41
  4. Step 4: Simplify right side
    1,721x = 3,572,828.81
  5. Step 5: Solve for x
    x = 3,572,828.81/1,721
  6. Step 6: Final answer
    x = 2,076.02

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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.