Home / 2,846.57-3,928.25-1,587.61

Finding the Fourth Proportional to 2,846.57, 3,928.25 and 1,587.61

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Solution

The fourth proportional to 2,846.57, 3,928.25 and 1,587.61 is: 2,190.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,846.57 : 3,928.25 = 1,587.61 : x
  2. Step 2: Convert to fraction form
    2,846.57/3,928.25 = 1,587.61/x
  3. Step 3: Cross multiply
    2,846.57x = 3,928.25 × 1,587.61
  4. Step 4: Simplify right side
    2,846.57x = 6,236,528.98
  5. Step 5: Solve for x
    x = 6,236,528.98/2,846.57
  6. Step 6: Final answer
    x = 2,190.89

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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.