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Finding the Fourth Proportional to 1,517.51, 2,094.33 and 957.95

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Solution

The fourth proportional to 1,517.51, 2,094.33 and 957.95 is: 1,322.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.51 : 2,094.33 = 957.95 : x
  2. Step 2: Convert to fraction form
    1,517.51/2,094.33 = 957.95/x
  3. Step 3: Cross multiply
    1,517.51x = 2,094.33 × 957.95
  4. Step 4: Simplify right side
    1,517.51x = 2,006,272.25
  5. Step 5: Solve for x
    x = 2,006,272.25/1,517.51
  6. Step 6: Final answer
    x = 1,322.08

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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.