Home / 1,513.02-2,268.16-732.58

Finding the Fourth Proportional to 1,513.02, 2,268.16 and 732.58

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Solution

The fourth proportional to 1,513.02, 2,268.16 and 732.58 is: 1,098.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513.02 : 2,268.16 = 732.58 : x
  2. Step 2: Convert to fraction form
    1,513.02/2,268.16 = 732.58/x
  3. Step 3: Cross multiply
    1,513.02x = 2,268.16 × 732.58
  4. Step 4: Simplify right side
    1,513.02x = 1,661,608.65
  5. Step 5: Solve for x
    x = 1,661,608.65/1,513.02
  6. Step 6: Final answer
    x = 1,098.21

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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.