Home / 3,565.02-4,921.38-2,072.43

Finding the Fourth Proportional to 3,565.02, 4,921.38 and 2,072.43

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Solution

The fourth proportional to 3,565.02, 4,921.38 and 2,072.43 is: 2,860.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.02 : 4,921.38 = 2,072.43 : x
  2. Step 2: Convert to fraction form
    3,565.02/4,921.38 = 2,072.43/x
  3. Step 3: Cross multiply
    3,565.02x = 4,921.38 × 2,072.43
  4. Step 4: Simplify right side
    3,565.02x = 10,199,215.55
  5. Step 5: Solve for x
    x = 10,199,215.55/3,565.02
  6. Step 6: Final answer
    x = 2,860.91

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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.