Home / 2,632.40-3,947.14-1,072

Finding the Fourth Proportional to 2,632.40, 3,947.14 and 1,072

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Solution

The fourth proportional to 2,632.40, 3,947.14 and 1,072 is: 1,607.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632.40 : 3,947.14 = 1,072 : x
  2. Step 2: Convert to fraction form
    2,632.40/3,947.14 = 1,072/x
  3. Step 3: Cross multiply
    2,632.40x = 3,947.14 × 1,072
  4. Step 4: Simplify right side
    2,632.40x = 4,231,334.08
  5. Step 5: Solve for x
    x = 4,231,334.08/2,632.40
  6. Step 6: Final answer
    x = 1,607.41

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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.