Home / 3,364.30-4,642.85-1,851.92

Finding the Fourth Proportional to 3,364.30, 4,642.85 and 1,851.92

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Solution

The fourth proportional to 3,364.30, 4,642.85 and 1,851.92 is: 2,555.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.30 : 4,642.85 = 1,851.92 : x
  2. Step 2: Convert to fraction form
    3,364.30/4,642.85 = 1,851.92/x
  3. Step 3: Cross multiply
    3,364.30x = 4,642.85 × 1,851.92
  4. Step 4: Simplify right side
    3,364.30x = 8,598,186.77
  5. Step 5: Solve for x
    x = 8,598,186.77/3,364.30
  6. Step 6: Final answer
    x = 2,555.71

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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.