Home / 2,846.29-3,928.20-1,587.46

Finding the Fourth Proportional to 2,846.29, 3,928.20 and 1,587.46

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Solution

The fourth proportional to 2,846.29, 3,928.20 and 1,587.46 is: 2,190.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,846.29 : 3,928.20 = 1,587.46 : x
  2. Step 2: Convert to fraction form
    2,846.29/3,928.20 = 1,587.46/x
  3. Step 3: Cross multiply
    2,846.29x = 3,928.20 × 1,587.46
  4. Step 4: Simplify right side
    2,846.29x = 6,235,860.37
  5. Step 5: Solve for x
    x = 6,235,860.37/2,846.29
  6. Step 6: Final answer
    x = 2,190.87

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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.