Home / 1,550.94-2,138.31-1,270.14

Finding the Fourth Proportional to 1,550.94, 2,138.31 and 1,270.14

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Solution

The fourth proportional to 1,550.94, 2,138.31 and 1,270.14 is: 1,751.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550.94 : 2,138.31 = 1,270.14 : x
  2. Step 2: Convert to fraction form
    1,550.94/2,138.31 = 1,270.14/x
  3. Step 3: Cross multiply
    1,550.94x = 2,138.31 × 1,270.14
  4. Step 4: Simplify right side
    1,550.94x = 2,715,953.06
  5. Step 5: Solve for x
    x = 2,715,953.06/1,550.94
  6. Step 6: Final answer
    x = 1,751.17

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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.