Home / 2,928.92-4,388.50-2,061.41

Finding the Fourth Proportional to 2,928.92, 4,388.50 and 2,061.41

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Solution

The fourth proportional to 2,928.92, 4,388.50 and 2,061.41 is: 3,088.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.92 : 4,388.50 = 2,061.41 : x
  2. Step 2: Convert to fraction form
    2,928.92/4,388.50 = 2,061.41/x
  3. Step 3: Cross multiply
    2,928.92x = 4,388.50 × 2,061.41
  4. Step 4: Simplify right side
    2,928.92x = 9,046,497.79
  5. Step 5: Solve for x
    x = 9,046,497.79/2,928.92
  6. Step 6: Final answer
    x = 3,088.68

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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.