Home / 3,342.39-4,612.76-1,850.78

Finding the Fourth Proportional to 3,342.39, 4,612.76 and 1,850.78

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Solution

The fourth proportional to 3,342.39, 4,612.76 and 1,850.78 is: 2,554.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.39 : 4,612.76 = 1,850.78 : x
  2. Step 2: Convert to fraction form
    3,342.39/4,612.76 = 1,850.78/x
  3. Step 3: Cross multiply
    3,342.39x = 4,612.76 × 1,850.78
  4. Step 4: Simplify right side
    3,342.39x = 8,537,185.52
  5. Step 5: Solve for x
    x = 8,537,185.52/3,342.39
  6. Step 6: Final answer
    x = 2,554.22

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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.