Home / 1,937.43-2,901.78-1,785.69

Finding the Fourth Proportional to 1,937.43, 2,901.78 and 1,785.69

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Solution

The fourth proportional to 1,937.43, 2,901.78 and 1,785.69 is: 2,674.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.43 : 2,901.78 = 1,785.69 : x
  2. Step 2: Convert to fraction form
    1,937.43/2,901.78 = 1,785.69/x
  3. Step 3: Cross multiply
    1,937.43x = 2,901.78 × 1,785.69
  4. Step 4: Simplify right side
    1,937.43x = 5,181,679.53
  5. Step 5: Solve for x
    x = 5,181,679.53/1,937.43
  6. Step 6: Final answer
    x = 2,674.51

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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.