Home / 1,516.31-2,272.06-1,103.55

Finding the Fourth Proportional to 1,516.31, 2,272.06 and 1,103.55

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Solution

The fourth proportional to 1,516.31, 2,272.06 and 1,103.55 is: 1,653.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.31 : 2,272.06 = 1,103.55 : x
  2. Step 2: Convert to fraction form
    1,516.31/2,272.06 = 1,103.55/x
  3. Step 3: Cross multiply
    1,516.31x = 2,272.06 × 1,103.55
  4. Step 4: Simplify right side
    1,516.31x = 2,507,331.81
  5. Step 5: Solve for x
    x = 2,507,331.81/1,516.31
  6. Step 6: Final answer
    x = 1,653.57

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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.