Home / 1,502.73-2,252.16-1,317.21

Finding the Fourth Proportional to 1,502.73, 2,252.16 and 1,317.21

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Solution

The fourth proportional to 1,502.73, 2,252.16 and 1,317.21 is: 1,974.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.73 : 2,252.16 = 1,317.21 : x
  2. Step 2: Convert to fraction form
    1,502.73/2,252.16 = 1,317.21/x
  3. Step 3: Cross multiply
    1,502.73x = 2,252.16 × 1,317.21
  4. Step 4: Simplify right side
    1,502.73x = 2,966,567.67
  5. Step 5: Solve for x
    x = 2,966,567.67/1,502.73
  6. Step 6: Final answer
    x = 1,974.12

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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.