Home / 2,862.78-4,293.06-1,013.55

Finding the Fourth Proportional to 2,862.78, 4,293.06 and 1,013.55

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Solution

The fourth proportional to 2,862.78, 4,293.06 and 1,013.55 is: 1,519.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.78 : 4,293.06 = 1,013.55 : x
  2. Step 2: Convert to fraction form
    2,862.78/4,293.06 = 1,013.55/x
  3. Step 3: Cross multiply
    2,862.78x = 4,293.06 × 1,013.55
  4. Step 4: Simplify right side
    2,862.78x = 4,351,230.96
  5. Step 5: Solve for x
    x = 4,351,230.96/2,862.78
  6. Step 6: Final answer
    x = 1,519.93

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1.5x scale

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.