Home / 1,193.29-1,777.34-1,139.98

Finding the Fourth Proportional to 1,193.29, 1,777.34 and 1,139.98

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Solution

The fourth proportional to 1,193.29, 1,777.34 and 1,139.98 is: 1,697.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.29 : 1,777.34 = 1,139.98 : x
  2. Step 2: Convert to fraction form
    1,193.29/1,777.34 = 1,139.98/x
  3. Step 3: Cross multiply
    1,193.29x = 1,777.34 × 1,139.98
  4. Step 4: Simplify right side
    1,193.29x = 2,026,132.05
  5. Step 5: Solve for x
    x = 2,026,132.05/1,193.29
  6. Step 6: Final answer
    x = 1,697.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.