Home / 3,381.70-5,075.12-2,725.18

Finding the Fourth Proportional to 3,381.70, 5,075.12 and 2,725.18

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Solution

The fourth proportional to 3,381.70, 5,075.12 and 2,725.18 is: 4,089.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.70 : 5,075.12 = 2,725.18 : x
  2. Step 2: Convert to fraction form
    3,381.70/5,075.12 = 2,725.18/x
  3. Step 3: Cross multiply
    3,381.70x = 5,075.12 × 2,725.18
  4. Step 4: Simplify right side
    3,381.70x = 13,830,615.52
  5. Step 5: Solve for x
    x = 13,830,615.52/3,381.70
  6. Step 6: Final answer
    x = 4,089.84

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1.5x scale

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.