Home / 2,856.60-3,942.27-1,597.69

Finding the Fourth Proportional to 2,856.60, 3,942.27 and 1,597.69

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Solution

The fourth proportional to 2,856.60, 3,942.27 and 1,597.69 is: 2,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856.60 : 3,942.27 = 1,597.69 : x
  2. Step 2: Convert to fraction form
    2,856.60/3,942.27 = 1,597.69/x
  3. Step 3: Cross multiply
    2,856.60x = 3,942.27 × 1,597.69
  4. Step 4: Simplify right side
    2,856.60x = 6,298,530.28
  5. Step 5: Solve for x
    x = 6,298,530.28/2,856.60
  6. Step 6: Final answer
    x = 2,204.90

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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.