Home / 2,885.24-3,981.40-1,706.10

Finding the Fourth Proportional to 2,885.24, 3,981.40 and 1,706.10

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Solution

The fourth proportional to 2,885.24, 3,981.40 and 1,706.10 is: 2,354.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.24 : 3,981.40 = 1,706.10 : x
  2. Step 2: Convert to fraction form
    2,885.24/3,981.40 = 1,706.10/x
  3. Step 3: Cross multiply
    2,885.24x = 3,981.40 × 1,706.10
  4. Step 4: Simplify right side
    2,885.24x = 6,792,666.54
  5. Step 5: Solve for x
    x = 6,792,666.54/2,885.24
  6. Step 6: Final answer
    x = 2,354.28

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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.