Home / 1,286.93-1,928.85-592.64

Finding the Fourth Proportional to 1,286.93, 1,928.85 and 592.64

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Solution

The fourth proportional to 1,286.93, 1,928.85 and 592.64 is: 888.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286.93 : 1,928.85 = 592.64 : x
  2. Step 2: Convert to fraction form
    1,286.93/1,928.85 = 592.64/x
  3. Step 3: Cross multiply
    1,286.93x = 1,928.85 × 592.64
  4. Step 4: Simplify right side
    1,286.93x = 1,143,113.66
  5. Step 5: Solve for x
    x = 1,143,113.66/1,286.93
  6. Step 6: Final answer
    x = 888.25

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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.