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Finding the Fourth Proportional to 1,900.95, 2,851.14 and 602.25

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Solution

The fourth proportional to 1,900.95, 2,851.14 and 602.25 is: 903.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900.95 : 2,851.14 = 602.25 : x
  2. Step 2: Convert to fraction form
    1,900.95/2,851.14 = 602.25/x
  3. Step 3: Cross multiply
    1,900.95x = 2,851.14 × 602.25
  4. Step 4: Simplify right side
    1,900.95x = 1,717,099.07
  5. Step 5: Solve for x
    x = 1,717,099.07/1,900.95
  6. Step 6: Final answer
    x = 903.28

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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.