Home / 2,289.41-3,159.38-1,241.47

Finding the Fourth Proportional to 2,289.41, 3,159.38 and 1,241.47

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Solution

The fourth proportional to 2,289.41, 3,159.38 and 1,241.47 is: 1,713.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.41 : 3,159.38 = 1,241.47 : x
  2. Step 2: Convert to fraction form
    2,289.41/3,159.38 = 1,241.47/x
  3. Step 3: Cross multiply
    2,289.41x = 3,159.38 × 1,241.47
  4. Step 4: Simplify right side
    2,289.41x = 3,922,275.49
  5. Step 5: Solve for x
    x = 3,922,275.49/2,289.41
  6. Step 6: Final answer
    x = 1,713.23

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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.