Home / 2,851.20-4,271.94-2,500.47

Finding the Fourth Proportional to 2,851.20, 4,271.94 and 2,500.47

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Solution

The fourth proportional to 2,851.20, 4,271.94 and 2,500.47 is: 3,746.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.20 : 4,271.94 = 2,500.47 : x
  2. Step 2: Convert to fraction form
    2,851.20/4,271.94 = 2,500.47/x
  3. Step 3: Cross multiply
    2,851.20x = 4,271.94 × 2,500.47
  4. Step 4: Simplify right side
    2,851.20x = 10,681,857.81
  5. Step 5: Solve for x
    x = 10,681,857.81/2,851.20
  6. Step 6: Final answer
    x = 3,746.44

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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.