Home / 3,117.96-4,655.24-2,806.92

Finding the Fourth Proportional to 3,117.96, 4,655.24 and 2,806.92

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Solution

The fourth proportional to 3,117.96, 4,655.24 and 2,806.92 is: 4,190.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.96 : 4,655.24 = 2,806.92 : x
  2. Step 2: Convert to fraction form
    3,117.96/4,655.24 = 2,806.92/x
  3. Step 3: Cross multiply
    3,117.96x = 4,655.24 × 2,806.92
  4. Step 4: Simplify right side
    3,117.96x = 13,066,872.23
  5. Step 5: Solve for x
    x = 13,066,872.23/3,117.96
  6. Step 6: Final answer
    x = 4,190.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.