Home / 3,117.83-4,299.73-2,323.11

Finding the Fourth Proportional to 3,117.83, 4,299.73 and 2,323.11

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Solution

The fourth proportional to 3,117.83, 4,299.73 and 2,323.11 is: 3,203.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.83 : 4,299.73 = 2,323.11 : x
  2. Step 2: Convert to fraction form
    3,117.83/4,299.73 = 2,323.11/x
  3. Step 3: Cross multiply
    3,117.83x = 4,299.73 × 2,323.11
  4. Step 4: Simplify right side
    3,117.83x = 9,988,769.14
  5. Step 5: Solve for x
    x = 9,988,769.14/3,117.83
  6. Step 6: Final answer
    x = 3,203.76

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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.