Home / 1,167.33-1,745.76-1,038.15

Finding the Fourth Proportional to 1,167.33, 1,745.76 and 1,038.15

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Solution

The fourth proportional to 1,167.33, 1,745.76 and 1,038.15 is: 1,552.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167.33 : 1,745.76 = 1,038.15 : x
  2. Step 2: Convert to fraction form
    1,167.33/1,745.76 = 1,038.15/x
  3. Step 3: Cross multiply
    1,167.33x = 1,745.76 × 1,038.15
  4. Step 4: Simplify right side
    1,167.33x = 1,812,360.74
  5. Step 5: Solve for x
    x = 1,812,360.74/1,167.33
  6. Step 6: Final answer
    x = 1,552.57

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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.