Home / 2,625.08-3,942.12-2,407.55

Finding the Fourth Proportional to 2,625.08, 3,942.12 and 2,407.55

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Solution

The fourth proportional to 2,625.08, 3,942.12 and 2,407.55 is: 3,615.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.08 : 3,942.12 = 2,407.55 : x
  2. Step 2: Convert to fraction form
    2,625.08/3,942.12 = 2,407.55/x
  3. Step 3: Cross multiply
    2,625.08x = 3,942.12 × 2,407.55
  4. Step 4: Simplify right side
    2,625.08x = 9,490,851.01
  5. Step 5: Solve for x
    x = 9,490,851.01/2,625.08
  6. Step 6: Final answer
    x = 3,615.45

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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.