Home / 3,815.16-5,713.02-1,862.28

Finding the Fourth Proportional to 3,815.16, 5,713.02 and 1,862.28

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Solution

The fourth proportional to 3,815.16, 5,713.02 and 1,862.28 is: 2,788.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.16 : 5,713.02 = 1,862.28 : x
  2. Step 2: Convert to fraction form
    3,815.16/5,713.02 = 1,862.28/x
  3. Step 3: Cross multiply
    3,815.16x = 5,713.02 × 1,862.28
  4. Step 4: Simplify right side
    3,815.16x = 10,639,242.89
  5. Step 5: Solve for x
    x = 10,639,242.89/3,815.16
  6. Step 6: Final answer
    x = 2,788.68

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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.