Home / 1,897.25-2,618.21-1,069.25

Finding the Fourth Proportional to 1,897.25, 2,618.21 and 1,069.25

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Solution

The fourth proportional to 1,897.25, 2,618.21 and 1,069.25 is: 1,475.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.25 : 2,618.21 = 1,069.25 : x
  2. Step 2: Convert to fraction form
    1,897.25/2,618.21 = 1,069.25/x
  3. Step 3: Cross multiply
    1,897.25x = 2,618.21 × 1,069.25
  4. Step 4: Simplify right side
    1,897.25x = 2,799,515.70
  5. Step 5: Solve for x
    x = 2,799,515.70/1,897.25
  6. Step 6: Final answer
    x = 1,475.57

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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.