Home / 3,249.18-4,486.82-2,802.87

Finding the Fourth Proportional to 3,249.18, 4,486.82 and 2,802.87

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Solution

The fourth proportional to 3,249.18, 4,486.82 and 2,802.87 is: 3,870.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.18 : 4,486.82 = 2,802.87 : x
  2. Step 2: Convert to fraction form
    3,249.18/4,486.82 = 2,802.87/x
  3. Step 3: Cross multiply
    3,249.18x = 4,486.82 × 2,802.87
  4. Step 4: Simplify right side
    3,249.18x = 12,575,959.16
  5. Step 5: Solve for x
    x = 12,575,959.16/3,249.18
  6. Step 6: Final answer
    x = 3,870.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.