Home / 1,930.24-2,663.74-1,133.41

Finding the Fourth Proportional to 1,930.24, 2,663.74 and 1,133.41

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Solution

The fourth proportional to 1,930.24, 2,663.74 and 1,133.41 is: 1,564.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.24 : 2,663.74 = 1,133.41 : x
  2. Step 2: Convert to fraction form
    1,930.24/2,663.74 = 1,133.41/x
  3. Step 3: Cross multiply
    1,930.24x = 2,663.74 × 1,133.41
  4. Step 4: Simplify right side
    1,930.24x = 3,019,109.55
  5. Step 5: Solve for x
    x = 3,019,109.55/1,930.24
  6. Step 6: Final answer
    x = 1,564.11

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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.