Home / 2,421.84-3,342.42-1,373.97

Finding the Fourth Proportional to 2,421.84, 3,342.42 and 1,373.97

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Solution

The fourth proportional to 2,421.84, 3,342.42 and 1,373.97 is: 1,896.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.84 : 3,342.42 = 1,373.97 : x
  2. Step 2: Convert to fraction form
    2,421.84/3,342.42 = 1,373.97/x
  3. Step 3: Cross multiply
    2,421.84x = 3,342.42 × 1,373.97
  4. Step 4: Simplify right side
    2,421.84x = 4,592,384.81
  5. Step 5: Solve for x
    x = 4,592,384.81/2,421.84
  6. Step 6: Final answer
    x = 1,896.24

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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.