Home / 1,527.19-2,290.78-372.94

Finding the Fourth Proportional to 1,527.19, 2,290.78 and 372.94

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Solution

The fourth proportional to 1,527.19, 2,290.78 and 372.94 is: 559.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527.19 : 2,290.78 = 372.94 : x
  2. Step 2: Convert to fraction form
    1,527.19/2,290.78 = 372.94/x
  3. Step 3: Cross multiply
    1,527.19x = 2,290.78 × 372.94
  4. Step 4: Simplify right side
    1,527.19x = 854,318.23
  5. Step 5: Solve for x
    x = 854,318.23/1,527.19
  6. Step 6: Final answer
    x = 559.41

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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.