Home / 3,155.82-4,356.36-2,323.14

Finding the Fourth Proportional to 3,155.82, 4,356.36 and 2,323.14

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Solution

The fourth proportional to 3,155.82, 4,356.36 and 2,323.14 is: 3,206.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.82 : 4,356.36 = 2,323.14 : x
  2. Step 2: Convert to fraction form
    3,155.82/4,356.36 = 2,323.14/x
  3. Step 3: Cross multiply
    3,155.82x = 4,356.36 × 2,323.14
  4. Step 4: Simplify right side
    3,155.82x = 10,120,434.17
  5. Step 5: Solve for x
    x = 10,120,434.17/3,155.82
  6. Step 6: Final answer
    x = 3,206.91

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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.