Home / 2,846.55-3,928.35-1,587.66

Finding the Fourth Proportional to 2,846.55, 3,928.35 and 1,587.66

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Solution

The fourth proportional to 2,846.55, 3,928.35 and 1,587.66 is: 2,191.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,846.55 : 3,928.35 = 1,587.66 : x
  2. Step 2: Convert to fraction form
    2,846.55/3,928.35 = 1,587.66/x
  3. Step 3: Cross multiply
    2,846.55x = 3,928.35 × 1,587.66
  4. Step 4: Simplify right side
    2,846.55x = 6,236,884.16
  5. Step 5: Solve for x
    x = 6,236,884.16/2,846.55
  6. Step 6: Final answer
    x = 2,191.03

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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.