Home / 1,350.30-2,033.85-1,277.40

Finding the Fourth Proportional to 1,350.30, 2,033.85 and 1,277.40

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Solution

The fourth proportional to 1,350.30, 2,033.85 and 1,277.40 is: 1,924.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.30 : 2,033.85 = 1,277.40 : x
  2. Step 2: Convert to fraction form
    1,350.30/2,033.85 = 1,277.40/x
  3. Step 3: Cross multiply
    1,350.30x = 2,033.85 × 1,277.40
  4. Step 4: Simplify right side
    1,350.30x = 2,598,039.99
  5. Step 5: Solve for x
    x = 2,598,039.99/1,350.30
  6. Step 6: Final answer
    x = 1,924.05

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.