Home / 1,513.22-2,266.84-1,165.35

Finding the Fourth Proportional to 1,513.22, 2,266.84 and 1,165.35

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Solution

The fourth proportional to 1,513.22, 2,266.84 and 1,165.35 is: 1,745.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513.22 : 2,266.84 = 1,165.35 : x
  2. Step 2: Convert to fraction form
    1,513.22/2,266.84 = 1,165.35/x
  3. Step 3: Cross multiply
    1,513.22x = 2,266.84 × 1,165.35
  4. Step 4: Simplify right side
    1,513.22x = 2,641,665.40
  5. Step 5: Solve for x
    x = 2,641,665.40/1,513.22
  6. Step 6: Final answer
    x = 1,745.72

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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.