Home / 2,865.20-4,292.49-2,405.93

Finding the Fourth Proportional to 2,865.20, 4,292.49 and 2,405.93

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Solution

The fourth proportional to 2,865.20, 4,292.49 and 2,405.93 is: 3,604.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.20 : 4,292.49 = 2,405.93 : x
  2. Step 2: Convert to fraction form
    2,865.20/4,292.49 = 2,405.93/x
  3. Step 3: Cross multiply
    2,865.20x = 4,292.49 × 2,405.93
  4. Step 4: Simplify right side
    2,865.20x = 10,327,430.47
  5. Step 5: Solve for x
    x = 10,327,430.47/2,865.20
  6. Step 6: Final answer
    x = 3,604.44

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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.