Home / 4,083.55-5,635.10-2,290.81

Finding the Fourth Proportional to 4,083.55, 5,635.10 and 2,290.81

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Solution

The fourth proportional to 4,083.55, 5,635.10 and 2,290.81 is: 3,161.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.55 : 5,635.10 = 2,290.81 : x
  2. Step 2: Convert to fraction form
    4,083.55/5,635.10 = 2,290.81/x
  3. Step 3: Cross multiply
    4,083.55x = 5,635.10 × 2,290.81
  4. Step 4: Simplify right side
    4,083.55x = 12,908,943.43
  5. Step 5: Solve for x
    x = 12,908,943.43/4,083.55
  6. Step 6: Final answer
    x = 3,161.21

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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.