Home / 2,918.67-4,377.26-1,069.95

Finding the Fourth Proportional to 2,918.67, 4,377.26 and 1,069.95

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Solution

The fourth proportional to 2,918.67, 4,377.26 and 1,069.95 is: 1,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.67 : 4,377.26 = 1,069.95 : x
  2. Step 2: Convert to fraction form
    2,918.67/4,377.26 = 1,069.95/x
  3. Step 3: Cross multiply
    2,918.67x = 4,377.26 × 1,069.95
  4. Step 4: Simplify right side
    2,918.67x = 4,683,443.99
  5. Step 5: Solve for x
    x = 4,683,443.99/2,918.67
  6. Step 6: Final answer
    x = 1,604.65

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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.