Home / 3,275.88-4,907.53-2,578.87

Finding the Fourth Proportional to 3,275.88, 4,907.53 and 2,578.87

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Solution

The fourth proportional to 3,275.88, 4,907.53 and 2,578.87 is: 3,863.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.88 : 4,907.53 = 2,578.87 : x
  2. Step 2: Convert to fraction form
    3,275.88/4,907.53 = 2,578.87/x
  3. Step 3: Cross multiply
    3,275.88x = 4,907.53 × 2,578.87
  4. Step 4: Simplify right side
    3,275.88x = 12,655,881.89
  5. Step 5: Solve for x
    x = 12,655,881.89/3,275.88
  6. Step 6: Final answer
    x = 3,863.35

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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.