Home / 2,853.75-3,937.45-1,674.59

Finding the Fourth Proportional to 2,853.75, 3,937.45 and 1,674.59

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Solution

The fourth proportional to 2,853.75, 3,937.45 and 1,674.59 is: 2,310.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.75 : 3,937.45 = 1,674.59 : x
  2. Step 2: Convert to fraction form
    2,853.75/3,937.45 = 1,674.59/x
  3. Step 3: Cross multiply
    2,853.75x = 3,937.45 × 1,674.59
  4. Step 4: Simplify right side
    2,853.75x = 6,593,614.40
  5. Step 5: Solve for x
    x = 6,593,614.40/2,853.75
  6. Step 6: Final answer
    x = 2,310.51

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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.