Home / 1,933.05-2,898.30-1,274.16

Finding the Fourth Proportional to 1,933.05, 2,898.30 and 1,274.16

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Solution

The fourth proportional to 1,933.05, 2,898.30 and 1,274.16 is: 1,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.05 : 2,898.30 = 1,274.16 : x
  2. Step 2: Convert to fraction form
    1,933.05/2,898.30 = 1,274.16/x
  3. Step 3: Cross multiply
    1,933.05x = 2,898.30 × 1,274.16
  4. Step 4: Simplify right side
    1,933.05x = 3,692,897.93
  5. Step 5: Solve for x
    x = 3,692,897.93/1,933.05
  6. Step 6: Final answer
    x = 1,910.40

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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.