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Finding the Fourth Proportional to 1,883.95, 2,599.93 and 1,253.47

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Solution

The fourth proportional to 1,883.95, 2,599.93 and 1,253.47 is: 1,729.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.95 : 2,599.93 = 1,253.47 : x
  2. Step 2: Convert to fraction form
    1,883.95/2,599.93 = 1,253.47/x
  3. Step 3: Cross multiply
    1,883.95x = 2,599.93 × 1,253.47
  4. Step 4: Simplify right side
    1,883.95x = 3,258,921.26
  5. Step 5: Solve for x
    x = 3,258,921.26/1,883.95
  6. Step 6: Final answer
    x = 1,729.83

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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.