Home / 4,085.98-5,635.38-2,669.56

Finding the Fourth Proportional to 4,085.98, 5,635.38 and 2,669.56

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Solution

The fourth proportional to 4,085.98, 5,635.38 and 2,669.56 is: 3,681.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.98 : 5,635.38 = 2,669.56 : x
  2. Step 2: Convert to fraction form
    4,085.98/5,635.38 = 2,669.56/x
  3. Step 3: Cross multiply
    4,085.98x = 5,635.38 × 2,669.56
  4. Step 4: Simplify right side
    4,085.98x = 15,043,985.03
  5. Step 5: Solve for x
    x = 15,043,985.03/4,085.98
  6. Step 6: Final answer
    x = 3,681.85

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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.