Home / 4,075.14-5,622.88-2,480.72

Finding the Fourth Proportional to 4,075.14, 5,622.88 and 2,480.72

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Solution

The fourth proportional to 4,075.14, 5,622.88 and 2,480.72 is: 3,422.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.14 : 5,622.88 = 2,480.72 : x
  2. Step 2: Convert to fraction form
    4,075.14/5,622.88 = 2,480.72/x
  3. Step 3: Cross multiply
    4,075.14x = 5,622.88 × 2,480.72
  4. Step 4: Simplify right side
    4,075.14x = 13,948,770.61
  5. Step 5: Solve for x
    x = 13,948,770.61/4,075.14
  6. Step 6: Final answer
    x = 3,422.89

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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.