Home / 2,846.30-3,926.96-1,587.12

Finding the Fourth Proportional to 2,846.30, 3,926.96 and 1,587.12

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Solution

The fourth proportional to 2,846.30, 3,926.96 and 1,587.12 is: 2,189.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,846.30 : 3,926.96 = 1,587.12 : x
  2. Step 2: Convert to fraction form
    2,846.30/3,926.96 = 1,587.12/x
  3. Step 3: Cross multiply
    2,846.30x = 3,926.96 × 1,587.12
  4. Step 4: Simplify right side
    2,846.30x = 6,232,556.76
  5. Step 5: Solve for x
    x = 6,232,556.76/2,846.30
  6. Step 6: Final answer
    x = 2,189.71

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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.