Home / 3,920.34-5,872.23-2,681.94

Finding the Fourth Proportional to 3,920.34, 5,872.23 and 2,681.94

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Solution

The fourth proportional to 3,920.34, 5,872.23 and 2,681.94 is: 4,017.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920.34 : 5,872.23 = 2,681.94 : x
  2. Step 2: Convert to fraction form
    3,920.34/5,872.23 = 2,681.94/x
  3. Step 3: Cross multiply
    3,920.34x = 5,872.23 × 2,681.94
  4. Step 4: Simplify right side
    3,920.34x = 15,748,968.53
  5. Step 5: Solve for x
    x = 15,748,968.53/3,920.34
  6. Step 6: Final answer
    x = 4,017.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.