Home / 1,527.41-2,286.20-1,383.55

Finding the Fourth Proportional to 1,527.41, 2,286.20 and 1,383.55

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Solution

The fourth proportional to 1,527.41, 2,286.20 and 1,383.55 is: 2,070.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527.41 : 2,286.20 = 1,383.55 : x
  2. Step 2: Convert to fraction form
    1,527.41/2,286.20 = 1,383.55/x
  3. Step 3: Cross multiply
    1,527.41x = 2,286.20 × 1,383.55
  4. Step 4: Simplify right side
    1,527.41x = 3,163,072.01
  5. Step 5: Solve for x
    x = 3,163,072.01/1,527.41
  6. Step 6: Final answer
    x = 2,070.87

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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.