Home / 1,317.04-1,817.36-792.97

Finding the Fourth Proportional to 1,317.04, 1,817.36 and 792.97

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Solution

The fourth proportional to 1,317.04, 1,817.36 and 792.97 is: 1,094.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317.04 : 1,817.36 = 792.97 : x
  2. Step 2: Convert to fraction form
    1,317.04/1,817.36 = 792.97/x
  3. Step 3: Cross multiply
    1,317.04x = 1,817.36 × 792.97
  4. Step 4: Simplify right side
    1,317.04x = 1,441,111.96
  5. Step 5: Solve for x
    x = 1,441,111.96/1,317.04
  6. Step 6: Final answer
    x = 1,094.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.