Home / 2,851.20-4,271.64-2,391.93

Finding the Fourth Proportional to 2,851.20, 4,271.64 and 2,391.93

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Solution

The fourth proportional to 2,851.20, 4,271.64 and 2,391.93 is: 3,583.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.20 : 4,271.64 = 2,391.93 : x
  2. Step 2: Convert to fraction form
    2,851.20/4,271.64 = 2,391.93/x
  3. Step 3: Cross multiply
    2,851.20x = 4,271.64 × 2,391.93
  4. Step 4: Simplify right side
    2,851.20x = 10,217,454.90
  5. Step 5: Solve for x
    x = 10,217,454.90/2,851.20
  6. Step 6: Final answer
    x = 3,583.56

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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.