Home / 2,391.82-3,587.08-1,513.00

Finding the Fourth Proportional to 2,391.82, 3,587.08 and 1,513.00

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Solution

The fourth proportional to 2,391.82, 3,587.08 and 1,513.00 is: 2,269.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.82 : 3,587.08 = 1,513.00 : x
  2. Step 2: Convert to fraction form
    2,391.82/3,587.08 = 1,513.00/x
  3. Step 3: Cross multiply
    2,391.82x = 3,587.08 × 1,513.00
  4. Step 4: Simplify right side
    2,391.82x = 5,427,265.14
  5. Step 5: Solve for x
    x = 5,427,265.14/2,391.82
  6. Step 6: Final answer
    x = 2,269.09

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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.