Home / 1,931.93-2,901.85-1,274.75

Finding the Fourth Proportional to 1,931.93, 2,901.85 and 1,274.75

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Solution

The fourth proportional to 1,931.93, 2,901.85 and 1,274.75 is: 1,914.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931.93 : 2,901.85 = 1,274.75 : x
  2. Step 2: Convert to fraction form
    1,931.93/2,901.85 = 1,274.75/x
  3. Step 3: Cross multiply
    1,931.93x = 2,901.85 × 1,274.75
  4. Step 4: Simplify right side
    1,931.93x = 3,699,137.36
  5. Step 5: Solve for x
    x = 3,699,137.36/1,931.93
  6. Step 6: Final answer
    x = 1,914.73

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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.