Home / 3,680.15-5,075.11-2,839.52

Finding the Fourth Proportional to 3,680.15, 5,075.11 and 2,839.52

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Solution

The fourth proportional to 3,680.15, 5,075.11 and 2,839.52 is: 3,915.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.15 : 5,075.11 = 2,839.52 : x
  2. Step 2: Convert to fraction form
    3,680.15/5,075.11 = 2,839.52/x
  3. Step 3: Cross multiply
    3,680.15x = 5,075.11 × 2,839.52
  4. Step 4: Simplify right side
    3,680.15x = 14,410,836.77
  5. Step 5: Solve for x
    x = 14,410,836.77/3,680.15
  6. Step 6: Final answer
    x = 3,915.83

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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.