Home / 1,511.38-2,262.75-962.26

Finding the Fourth Proportional to 1,511.38, 2,262.75 and 962.26

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Solution

The fourth proportional to 1,511.38, 2,262.75 and 962.26 is: 1,440.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.38 : 2,262.75 = 962.26 : x
  2. Step 2: Convert to fraction form
    1,511.38/2,262.75 = 962.26/x
  3. Step 3: Cross multiply
    1,511.38x = 2,262.75 × 962.26
  4. Step 4: Simplify right side
    1,511.38x = 2,177,353.82
  5. Step 5: Solve for x
    x = 2,177,353.82/1,511.38
  6. Step 6: Final answer
    x = 1,440.64

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1.5x scale

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.