Home / 1,931.23-2,891.58-1,344.79

Finding the Fourth Proportional to 1,931.23, 2,891.58 and 1,344.79

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Solution

The fourth proportional to 1,931.23, 2,891.58 and 1,344.79 is: 2,013.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931.23 : 2,891.58 = 1,344.79 : x
  2. Step 2: Convert to fraction form
    1,931.23/2,891.58 = 1,344.79/x
  3. Step 3: Cross multiply
    1,931.23x = 2,891.58 × 1,344.79
  4. Step 4: Simplify right side
    1,931.23x = 3,888,567.87
  5. Step 5: Solve for x
    x = 3,888,567.87/1,931.23
  6. Step 6: Final answer
    x = 2,013.52

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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.