Home / 1,894.11-2,842.20-1,434.75

Finding the Fourth Proportional to 1,894.11, 2,842.20 and 1,434.75

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Solution

The fourth proportional to 1,894.11, 2,842.20 and 1,434.75 is: 2,152.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894.11 : 2,842.20 = 1,434.75 : x
  2. Step 2: Convert to fraction form
    1,894.11/2,842.20 = 1,434.75/x
  3. Step 3: Cross multiply
    1,894.11x = 2,842.20 × 1,434.75
  4. Step 4: Simplify right side
    1,894.11x = 4,077,846.45
  5. Step 5: Solve for x
    x = 4,077,846.45/1,894.11
  6. Step 6: Final answer
    x = 2,152.91

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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.