Home / 1,862.99-2,794.49-1,217.83

Finding the Fourth Proportional to 1,862.99, 2,794.49 and 1,217.83

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Solution

The fourth proportional to 1,862.99, 2,794.49 and 1,217.83 is: 1,826.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.99 : 2,794.49 = 1,217.83 : x
  2. Step 2: Convert to fraction form
    1,862.99/2,794.49 = 1,217.83/x
  3. Step 3: Cross multiply
    1,862.99x = 2,794.49 × 1,217.83
  4. Step 4: Simplify right side
    1,862.99x = 3,403,206.77
  5. Step 5: Solve for x
    x = 3,403,206.77/1,862.99
  6. Step 6: Final answer
    x = 1,826.74

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Double scale
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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.