Home / 1,541.42-2,121.81-1,344.59

Finding the Fourth Proportional to 1,541.42, 2,121.81 and 1,344.59

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Solution

The fourth proportional to 1,541.42, 2,121.81 and 1,344.59 is: 1,850.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541.42 : 2,121.81 = 1,344.59 : x
  2. Step 2: Convert to fraction form
    1,541.42/2,121.81 = 1,344.59/x
  3. Step 3: Cross multiply
    1,541.42x = 2,121.81 × 1,344.59
  4. Step 4: Simplify right side
    1,541.42x = 2,852,964.51
  5. Step 5: Solve for x
    x = 2,852,964.51/1,541.42
  6. Step 6: Final answer
    x = 1,850.87

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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.