Home / 2,421.68-3,342.87-1,537.97

Finding the Fourth Proportional to 2,421.68, 3,342.87 and 1,537.97

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Solution

The fourth proportional to 2,421.68, 3,342.87 and 1,537.97 is: 2,123.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.68 : 3,342.87 = 1,537.97 : x
  2. Step 2: Convert to fraction form
    2,421.68/3,342.87 = 1,537.97/x
  3. Step 3: Cross multiply
    2,421.68x = 3,342.87 × 1,537.97
  4. Step 4: Simplify right side
    2,421.68x = 5,141,217.06
  5. Step 5: Solve for x
    x = 5,141,217.06/2,421.68
  6. Step 6: Final answer
    x = 2,123.00

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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.