Home / 1,813.41-2,717.28-1,403.55

Finding the Fourth Proportional to 1,813.41, 2,717.28 and 1,403.55

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Solution

The fourth proportional to 1,813.41, 2,717.28 and 1,403.55 is: 2,103.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.41 : 2,717.28 = 1,403.55 : x
  2. Step 2: Convert to fraction form
    1,813.41/2,717.28 = 1,403.55/x
  3. Step 3: Cross multiply
    1,813.41x = 2,717.28 × 1,403.55
  4. Step 4: Simplify right side
    1,813.41x = 3,813,838.34
  5. Step 5: Solve for x
    x = 3,813,838.34/1,813.41
  6. Step 6: Final answer
    x = 2,103.13

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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.