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Finding the Fourth Proportional to 1,925.98, 2,889.17 and 627.14

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Solution

The fourth proportional to 1,925.98, 2,889.17 and 627.14 is: 940.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.98 : 2,889.17 = 627.14 : x
  2. Step 2: Convert to fraction form
    1,925.98/2,889.17 = 627.14/x
  3. Step 3: Cross multiply
    1,925.98x = 2,889.17 × 627.14
  4. Step 4: Simplify right side
    1,925.98x = 1,811,914.07
  5. Step 5: Solve for x
    x = 1,811,914.07/1,925.98
  6. Step 6: Final answer
    x = 940.78

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1.5x scale

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.