Home / 1,326.71-1,829.53-1,127.32

Finding the Fourth Proportional to 1,326.71, 1,829.53 and 1,127.32

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Solution

The fourth proportional to 1,326.71, 1,829.53 and 1,127.32 is: 1,554.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326.71 : 1,829.53 = 1,127.32 : x
  2. Step 2: Convert to fraction form
    1,326.71/1,829.53 = 1,127.32/x
  3. Step 3: Cross multiply
    1,326.71x = 1,829.53 × 1,127.32
  4. Step 4: Simplify right side
    1,326.71x = 2,062,450.98
  5. Step 5: Solve for x
    x = 2,062,450.98/1,326.71
  6. Step 6: Final answer
    x = 1,554.57

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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.