Home / 1,131.02-1,559.14-793.86

Finding the Fourth Proportional to 1,131.02, 1,559.14 and 793.86

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Solution

The fourth proportional to 1,131.02, 1,559.14 and 793.86 is: 1,094.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131.02 : 1,559.14 = 793.86 : x
  2. Step 2: Convert to fraction form
    1,131.02/1,559.14 = 793.86/x
  3. Step 3: Cross multiply
    1,131.02x = 1,559.14 × 793.86
  4. Step 4: Simplify right side
    1,131.02x = 1,237,744.28
  5. Step 5: Solve for x
    x = 1,237,744.28/1,131.02
  6. Step 6: Final answer
    x = 1,094.36

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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.