Home / 1,471.14-2,206.29-605.25

Finding the Fourth Proportional to 1,471.14, 2,206.29 and 605.25

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Solution

The fourth proportional to 1,471.14, 2,206.29 and 605.25 is: 907.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471.14 : 2,206.29 = 605.25 : x
  2. Step 2: Convert to fraction form
    1,471.14/2,206.29 = 605.25/x
  3. Step 3: Cross multiply
    1,471.14x = 2,206.29 × 605.25
  4. Step 4: Simplify right side
    1,471.14x = 1,335,357.02
  5. Step 5: Solve for x
    x = 1,335,357.02/1,471.14
  6. Step 6: Final answer
    x = 907.70

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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.