Home / 2,648.03-3,972.15-2,184.95

Finding the Fourth Proportional to 2,648.03, 3,972.15 and 2,184.95

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Solution

The fourth proportional to 2,648.03, 3,972.15 and 2,184.95 is: 3,277.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648.03 : 3,972.15 = 2,184.95 : x
  2. Step 2: Convert to fraction form
    2,648.03/3,972.15 = 2,184.95/x
  3. Step 3: Cross multiply
    2,648.03x = 3,972.15 × 2,184.95
  4. Step 4: Simplify right side
    2,648.03x = 8,678,959.07
  5. Step 5: Solve for x
    x = 8,678,959.07/2,648.03
  6. Step 6: Final answer
    x = 3,277.52

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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.