Home / 2,262.54-3,122.37-1,515.72

Finding the Fourth Proportional to 2,262.54, 3,122.37 and 1,515.72

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Solution

The fourth proportional to 2,262.54, 3,122.37 and 1,515.72 is: 2,091.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.54 : 3,122.37 = 1,515.72 : x
  2. Step 2: Convert to fraction form
    2,262.54/3,122.37 = 1,515.72/x
  3. Step 3: Cross multiply
    2,262.54x = 3,122.37 × 1,515.72
  4. Step 4: Simplify right side
    2,262.54x = 4,732,638.66
  5. Step 5: Solve for x
    x = 4,732,638.66/2,262.54
  6. Step 6: Final answer
    x = 2,091.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.