Home / 3,411.82-5,117.57-1,332.21

Finding the Fourth Proportional to 3,411.82, 5,117.57 and 1,332.21

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Solution

The fourth proportional to 3,411.82, 5,117.57 and 1,332.21 is: 1,998.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.82 : 5,117.57 = 1,332.21 : x
  2. Step 2: Convert to fraction form
    3,411.82/5,117.57 = 1,332.21/x
  3. Step 3: Cross multiply
    3,411.82x = 5,117.57 × 1,332.21
  4. Step 4: Simplify right side
    3,411.82x = 6,817,662.07
  5. Step 5: Solve for x
    x = 6,817,662.07/3,411.82
  6. Step 6: Final answer
    x = 1,998.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.