Home / 1,169.14-1,753.36-621.03

Finding the Fourth Proportional to 1,169.14, 1,753.36 and 621.03

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Solution

The fourth proportional to 1,169.14, 1,753.36 and 621.03 is: 931.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169.14 : 1,753.36 = 621.03 : x
  2. Step 2: Convert to fraction form
    1,169.14/1,753.36 = 621.03/x
  3. Step 3: Cross multiply
    1,169.14x = 1,753.36 × 621.03
  4. Step 4: Simplify right side
    1,169.14x = 1,088,889.16
  5. Step 5: Solve for x
    x = 1,088,889.16/1,169.14
  6. Step 6: Final answer
    x = 931.36

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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.