Home / 3,445.92-4,755.42-2,118.84

Finding the Fourth Proportional to 3,445.92, 4,755.42 and 2,118.84

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Solution

The fourth proportional to 3,445.92, 4,755.42 and 2,118.84 is: 2,924.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.92 : 4,755.42 = 2,118.84 : x
  2. Step 2: Convert to fraction form
    3,445.92/4,755.42 = 2,118.84/x
  3. Step 3: Cross multiply
    3,445.92x = 4,755.42 × 2,118.84
  4. Step 4: Simplify right side
    3,445.92x = 10,075,974.11
  5. Step 5: Solve for x
    x = 10,075,974.11/3,445.92
  6. Step 6: Final answer
    x = 2,924.03

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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.