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Finding the Fourth Proportional to 1,642.03, 2,265.99 and 895.99

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Solution

The fourth proportional to 1,642.03, 2,265.99 and 895.99 is: 1,236.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642.03 : 2,265.99 = 895.99 : x
  2. Step 2: Convert to fraction form
    1,642.03/2,265.99 = 895.99/x
  3. Step 3: Cross multiply
    1,642.03x = 2,265.99 × 895.99
  4. Step 4: Simplify right side
    1,642.03x = 2,030,304.38
  5. Step 5: Solve for x
    x = 2,030,304.38/1,642.03
  6. Step 6: Final answer
    x = 1,236.46

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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.