Home / 2,845.15-3,926.12-1,586.03

Finding the Fourth Proportional to 2,845.15, 3,926.12 and 1,586.03

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Solution

The fourth proportional to 2,845.15, 3,926.12 and 1,586.03 is: 2,188.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.15 : 3,926.12 = 1,586.03 : x
  2. Step 2: Convert to fraction form
    2,845.15/3,926.12 = 1,586.03/x
  3. Step 3: Cross multiply
    2,845.15x = 3,926.12 × 1,586.03
  4. Step 4: Simplify right side
    2,845.15x = 6,226,947.55
  5. Step 5: Solve for x
    x = 6,226,947.55/2,845.15
  6. Step 6: Final answer
    x = 2,188.62

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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.