Home / 1,232.07-1,842.71-1,072.23

Finding the Fourth Proportional to 1,232.07, 1,842.71 and 1,072.23

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Solution

The fourth proportional to 1,232.07, 1,842.71 and 1,072.23 is: 1,603.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.07 : 1,842.71 = 1,072.23 : x
  2. Step 2: Convert to fraction form
    1,232.07/1,842.71 = 1,072.23/x
  3. Step 3: Cross multiply
    1,232.07x = 1,842.71 × 1,072.23
  4. Step 4: Simplify right side
    1,232.07x = 1,975,803.58
  5. Step 5: Solve for x
    x = 1,975,803.58/1,232.07
  6. Step 6: Final answer
    x = 1,603.65

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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.