Home / 2,331.68-3,214.24-1,544.36

Finding the Fourth Proportional to 2,331.68, 3,214.24 and 1,544.36

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Solution

The fourth proportional to 2,331.68, 3,214.24 and 1,544.36 is: 2,128.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.68 : 3,214.24 = 1,544.36 : x
  2. Step 2: Convert to fraction form
    2,331.68/3,214.24 = 1,544.36/x
  3. Step 3: Cross multiply
    2,331.68x = 3,214.24 × 1,544.36
  4. Step 4: Simplify right side
    2,331.68x = 4,963,943.69
  5. Step 5: Solve for x
    x = 4,963,943.69/2,331.68
  6. Step 6: Final answer
    x = 2,128.91

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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.