Home / 2,813.98-4,217.30-1,513.92

Finding the Fourth Proportional to 2,813.98, 4,217.30 and 1,513.92

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Solution

The fourth proportional to 2,813.98, 4,217.30 and 1,513.92 is: 2,268.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813.98 : 4,217.30 = 1,513.92 : x
  2. Step 2: Convert to fraction form
    2,813.98/4,217.30 = 1,513.92/x
  3. Step 3: Cross multiply
    2,813.98x = 4,217.30 × 1,513.92
  4. Step 4: Simplify right side
    2,813.98x = 6,384,654.82
  5. Step 5: Solve for x
    x = 6,384,654.82/2,813.98
  6. Step 6: Final answer
    x = 2,268.91

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1.5x scale

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.