Home / 3,113.60-4,291.26-2,365.88

Finding the Fourth Proportional to 3,113.60, 4,291.26 and 2,365.88

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Solution

The fourth proportional to 3,113.60, 4,291.26 and 2,365.88 is: 3,260.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.60 : 4,291.26 = 2,365.88 : x
  2. Step 2: Convert to fraction form
    3,113.60/4,291.26 = 2,365.88/x
  3. Step 3: Cross multiply
    3,113.60x = 4,291.26 × 2,365.88
  4. Step 4: Simplify right side
    3,113.60x = 10,152,606.21
  5. Step 5: Solve for x
    x = 10,152,606.21/3,113.60
  6. Step 6: Final answer
    x = 3,260.73

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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.