Home / 2,600.55-3,903.35-1,861.02

Finding the Fourth Proportional to 2,600.55, 3,903.35 and 1,861.02

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Solution

The fourth proportional to 2,600.55, 3,903.35 and 1,861.02 is: 2,793.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.55 : 3,903.35 = 1,861.02 : x
  2. Step 2: Convert to fraction form
    2,600.55/3,903.35 = 1,861.02/x
  3. Step 3: Cross multiply
    2,600.55x = 3,903.35 × 1,861.02
  4. Step 4: Simplify right side
    2,600.55x = 7,264,203.11
  5. Step 5: Solve for x
    x = 7,264,203.11/2,600.55
  6. Step 6: Final answer
    x = 2,793.33

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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.