Home / 1,813.10-2,717.61-1,263.62

Finding the Fourth Proportional to 1,813.10, 2,717.61 and 1,263.62

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Solution

The fourth proportional to 1,813.10, 2,717.61 and 1,263.62 is: 1,894.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.10 : 2,717.61 = 1,263.62 : x
  2. Step 2: Convert to fraction form
    1,813.10/2,717.61 = 1,263.62/x
  3. Step 3: Cross multiply
    1,813.10x = 2,717.61 × 1,263.62
  4. Step 4: Simplify right side
    1,813.10x = 3,434,012.76
  5. Step 5: Solve for x
    x = 3,434,012.76/1,813.10
  6. Step 6: Final answer
    x = 1,894.01

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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.