Home / 2,845.32-3,926.15-1,586.23

Finding the Fourth Proportional to 2,845.32, 3,926.15 and 1,586.23

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Solution

The fourth proportional to 2,845.32, 3,926.15 and 1,586.23 is: 2,188.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.32 : 3,926.15 = 1,586.23 : x
  2. Step 2: Convert to fraction form
    2,845.32/3,926.15 = 1,586.23/x
  3. Step 3: Cross multiply
    2,845.32x = 3,926.15 × 1,586.23
  4. Step 4: Simplify right side
    2,845.32x = 6,227,771.06
  5. Step 5: Solve for x
    x = 6,227,771.06/2,845.32
  6. Step 6: Final answer
    x = 2,188.78

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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.