Home / 2,885.28-3,981.48-1,706.04

Finding the Fourth Proportional to 2,885.28, 3,981.48 and 1,706.04

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Solution

The fourth proportional to 2,885.28, 3,981.48 and 1,706.04 is: 2,354.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.28 : 3,981.48 = 1,706.04 : x
  2. Step 2: Convert to fraction form
    2,885.28/3,981.48 = 1,706.04/x
  3. Step 3: Cross multiply
    2,885.28x = 3,981.48 × 1,706.04
  4. Step 4: Simplify right side
    2,885.28x = 6,792,564.14
  5. Step 5: Solve for x
    x = 6,792,564.14/2,885.28
  6. Step 6: Final answer
    x = 2,354.21

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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.