Home / 3,641.88-5,021.46-3,045.72

Finding the Fourth Proportional to 3,641.88, 5,021.46 and 3,045.72

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Solution

The fourth proportional to 3,641.88, 5,021.46 and 3,045.72 is: 4,199.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,641.88 : 5,021.46 = 3,045.72 : x
  2. Step 2: Convert to fraction form
    3,641.88/5,021.46 = 3,045.72/x
  3. Step 3: Cross multiply
    3,641.88x = 5,021.46 × 3,045.72
  4. Step 4: Simplify right side
    3,641.88x = 15,293,961.15
  5. Step 5: Solve for x
    x = 15,293,961.15/3,641.88
  6. Step 6: Final answer
    x = 4,199.47

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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.