Home / 3,411.04-5,113.38-1,332.40

Finding the Fourth Proportional to 3,411.04, 5,113.38 and 1,332.40

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Solution

The fourth proportional to 3,411.04, 5,113.38 and 1,332.40 is: 1,997.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.04 : 5,113.38 = 1,332.40 : x
  2. Step 2: Convert to fraction form
    3,411.04/5,113.38 = 1,332.40/x
  3. Step 3: Cross multiply
    3,411.04x = 5,113.38 × 1,332.40
  4. Step 4: Simplify right side
    3,411.04x = 6,813,067.51
  5. Step 5: Solve for x
    x = 6,813,067.51/3,411.04
  6. Step 6: Final answer
    x = 1,997.36

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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.