Home / 2,938.44-4,058.61-2,140.50

Finding the Fourth Proportional to 2,938.44, 4,058.61 and 2,140.50

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Solution

The fourth proportional to 2,938.44, 4,058.61 and 2,140.50 is: 2,956.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.44 : 4,058.61 = 2,140.50 : x
  2. Step 2: Convert to fraction form
    2,938.44/4,058.61 = 2,140.50/x
  3. Step 3: Cross multiply
    2,938.44x = 4,058.61 × 2,140.50
  4. Step 4: Simplify right side
    2,938.44x = 8,687,454.71
  5. Step 5: Solve for x
    x = 8,687,454.71/2,938.44
  6. Step 6: Final answer
    x = 2,956.49

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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.