Home / 1,615.94-2,227.40-1,091.06

Finding the Fourth Proportional to 1,615.94, 2,227.40 and 1,091.06

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Solution

The fourth proportional to 1,615.94, 2,227.40 and 1,091.06 is: 1,503.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615.94 : 2,227.40 = 1,091.06 : x
  2. Step 2: Convert to fraction form
    1,615.94/2,227.40 = 1,091.06/x
  3. Step 3: Cross multiply
    1,615.94x = 2,227.40 × 1,091.06
  4. Step 4: Simplify right side
    1,615.94x = 2,430,227.04
  5. Step 5: Solve for x
    x = 2,430,227.04/1,615.94
  6. Step 6: Final answer
    x = 1,503.91

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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.