Home / 4,294.44-6,436.54-1,981

Finding the Fourth Proportional to 4,294.44, 6,436.54 and 1,981

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Solution

The fourth proportional to 4,294.44, 6,436.54 and 1,981 is: 2,969.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,294.44 : 6,436.54 = 1,981 : x
  2. Step 2: Convert to fraction form
    4,294.44/6,436.54 = 1,981/x
  3. Step 3: Cross multiply
    4,294.44x = 6,436.54 × 1,981
  4. Step 4: Simplify right side
    4,294.44x = 12,750,785.74
  5. Step 5: Solve for x
    x = 12,750,785.74/4,294.44
  6. Step 6: Final answer
    x = 2,969.14

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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.