Home / 3,642.65-5,026.55-2,226.56

Finding the Fourth Proportional to 3,642.65, 5,026.55 and 2,226.56

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Solution

The fourth proportional to 3,642.65, 5,026.55 and 2,226.56 is: 3,072.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.65 : 5,026.55 = 2,226.56 : x
  2. Step 2: Convert to fraction form
    3,642.65/5,026.55 = 2,226.56/x
  3. Step 3: Cross multiply
    3,642.65x = 5,026.55 × 2,226.56
  4. Step 4: Simplify right side
    3,642.65x = 11,191,916.60
  5. Step 5: Solve for x
    x = 11,191,916.60/3,642.65
  6. Step 6: Final answer
    x = 3,072.47

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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.