Home / 2,426.11-3,355.91-2,269.38

Finding the Fourth Proportional to 2,426.11, 3,355.91 and 2,269.38

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Solution

The fourth proportional to 2,426.11, 3,355.91 and 2,269.38 is: 3,139.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426.11 : 3,355.91 = 2,269.38 : x
  2. Step 2: Convert to fraction form
    2,426.11/3,355.91 = 2,269.38/x
  3. Step 3: Cross multiply
    2,426.11x = 3,355.91 × 2,269.38
  4. Step 4: Simplify right side
    2,426.11x = 7,615,835.04
  5. Step 5: Solve for x
    x = 7,615,835.04/2,426.11
  6. Step 6: Final answer
    x = 3,139.11

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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.