Home / 2,603.20-3,886.25-2,512.08

Finding the Fourth Proportional to 2,603.20, 3,886.25 and 2,512.08

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Solution

The fourth proportional to 2,603.20, 3,886.25 and 2,512.08 is: 3,750.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603.20 : 3,886.25 = 2,512.08 : x
  2. Step 2: Convert to fraction form
    2,603.20/3,886.25 = 2,512.08/x
  3. Step 3: Cross multiply
    2,603.20x = 3,886.25 × 2,512.08
  4. Step 4: Simplify right side
    2,603.20x = 9,762,570.90
  5. Step 5: Solve for x
    x = 9,762,570.90/2,603.20
  6. Step 6: Final answer
    x = 3,750.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.