Home / 1,937.38-2,675.79-1,277.17

Finding the Fourth Proportional to 1,937.38, 2,675.79 and 1,277.17

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Solution

The fourth proportional to 1,937.38, 2,675.79 and 1,277.17 is: 1,763.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.38 : 2,675.79 = 1,277.17 : x
  2. Step 2: Convert to fraction form
    1,937.38/2,675.79 = 1,277.17/x
  3. Step 3: Cross multiply
    1,937.38x = 2,675.79 × 1,277.17
  4. Step 4: Simplify right side
    1,937.38x = 3,417,418.95
  5. Step 5: Solve for x
    x = 3,417,418.95/1,937.38
  6. Step 6: Final answer
    x = 1,763.94

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1.5x scale

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.