Home / 3,144.32-4,338.88-1,727.99

Finding the Fourth Proportional to 3,144.32, 4,338.88 and 1,727.99

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Solution

The fourth proportional to 3,144.32, 4,338.88 and 1,727.99 is: 2,384.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.32 : 4,338.88 = 1,727.99 : x
  2. Step 2: Convert to fraction form
    3,144.32/4,338.88 = 1,727.99/x
  3. Step 3: Cross multiply
    3,144.32x = 4,338.88 × 1,727.99
  4. Step 4: Simplify right side
    3,144.32x = 7,497,531.51
  5. Step 5: Solve for x
    x = 7,497,531.51/3,144.32
  6. Step 6: Final answer
    x = 2,384.47

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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.