Home / 3,251.72-4,487.35-1,759.63

Finding the Fourth Proportional to 3,251.72, 4,487.35 and 1,759.63

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Solution

The fourth proportional to 3,251.72, 4,487.35 and 1,759.63 is: 2,428.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.72 : 4,487.35 = 1,759.63 : x
  2. Step 2: Convert to fraction form
    3,251.72/4,487.35 = 1,759.63/x
  3. Step 3: Cross multiply
    3,251.72x = 4,487.35 × 1,759.63
  4. Step 4: Simplify right side
    3,251.72x = 7,896,075.68
  5. Step 5: Solve for x
    x = 7,896,075.68/3,251.72
  6. Step 6: Final answer
    x = 2,428.28

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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.