Home / 2,862.60-4,293.90-1,013.78

Finding the Fourth Proportional to 2,862.60, 4,293.90 and 1,013.78

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Solution

The fourth proportional to 2,862.60, 4,293.90 and 1,013.78 is: 1,520.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.60 : 4,293.90 = 1,013.78 : x
  2. Step 2: Convert to fraction form
    2,862.60/4,293.90 = 1,013.78/x
  3. Step 3: Cross multiply
    2,862.60x = 4,293.90 × 1,013.78
  4. Step 4: Simplify right side
    2,862.60x = 4,353,069.94
  5. Step 5: Solve for x
    x = 4,353,069.94/2,862.60
  6. Step 6: Final answer
    x = 1,520.67

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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.