Home / 1,813.10-2,718.28-934.66

Finding the Fourth Proportional to 1,813.10, 2,718.28 and 934.66

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Solution

The fourth proportional to 1,813.10, 2,718.28 and 934.66 is: 1,401.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.10 : 2,718.28 = 934.66 : x
  2. Step 2: Convert to fraction form
    1,813.10/2,718.28 = 934.66/x
  3. Step 3: Cross multiply
    1,813.10x = 2,718.28 × 934.66
  4. Step 4: Simplify right side
    1,813.10x = 2,540,667.58
  5. Step 5: Solve for x
    x = 2,540,667.58/1,813.10
  6. Step 6: Final answer
    x = 1,401.28

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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.