Home / 1,535.16-2,302.80-495.28

Finding the Fourth Proportional to 1,535.16, 2,302.80 and 495.28

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Solution

The fourth proportional to 1,535.16, 2,302.80 and 495.28 is: 742.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535.16 : 2,302.80 = 495.28 : x
  2. Step 2: Convert to fraction form
    1,535.16/2,302.80 = 495.28/x
  3. Step 3: Cross multiply
    1,535.16x = 2,302.80 × 495.28
  4. Step 4: Simplify right side
    1,535.16x = 1,140,530.78
  5. Step 5: Solve for x
    x = 1,140,530.78/1,535.16
  6. Step 6: Final answer
    x = 742.94

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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.