Home / 1,535.21-2,302.79-495.29

Finding the Fourth Proportional to 1,535.21, 2,302.79 and 495.29

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Solution

The fourth proportional to 1,535.21, 2,302.79 and 495.29 is: 742.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535.21 : 2,302.79 = 495.29 : x
  2. Step 2: Convert to fraction form
    1,535.21/2,302.79 = 495.29/x
  3. Step 3: Cross multiply
    1,535.21x = 2,302.79 × 495.29
  4. Step 4: Simplify right side
    1,535.21x = 1,140,554.00
  5. Step 5: Solve for x
    x = 1,140,554.00/1,535.21
  6. Step 6: Final answer
    x = 742.93

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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.