Home / 1,937.25-2,906.45-1,116.11

Finding the Fourth Proportional to 1,937.25, 2,906.45 and 1,116.11

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Solution

The fourth proportional to 1,937.25, 2,906.45 and 1,116.11 is: 1,674.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.25 : 2,906.45 = 1,116.11 : x
  2. Step 2: Convert to fraction form
    1,937.25/2,906.45 = 1,116.11/x
  3. Step 3: Cross multiply
    1,937.25x = 2,906.45 × 1,116.11
  4. Step 4: Simplify right side
    1,937.25x = 3,243,923.78
  5. Step 5: Solve for x
    x = 3,243,923.78/1,937.25
  6. Step 6: Final answer
    x = 1,674.50

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1.5x scale

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.