Home / 3,034.75-4,187.86-1,708.42

Finding the Fourth Proportional to 3,034.75, 4,187.86 and 1,708.42

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Solution

The fourth proportional to 3,034.75, 4,187.86 and 1,708.42 is: 2,357.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.75 : 4,187.86 = 1,708.42 : x
  2. Step 2: Convert to fraction form
    3,034.75/4,187.86 = 1,708.42/x
  3. Step 3: Cross multiply
    3,034.75x = 4,187.86 × 1,708.42
  4. Step 4: Simplify right side
    3,034.75x = 7,154,623.78
  5. Step 5: Solve for x
    x = 7,154,623.78/3,034.75
  6. Step 6: Final answer
    x = 2,357.57

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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.