Home / 1,930.67-2,664.20-1,133.89

Finding the Fourth Proportional to 1,930.67, 2,664.20 and 1,133.89

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Solution

The fourth proportional to 1,930.67, 2,664.20 and 1,133.89 is: 1,564.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.67 : 2,664.20 = 1,133.89 : x
  2. Step 2: Convert to fraction form
    1,930.67/2,664.20 = 1,133.89/x
  3. Step 3: Cross multiply
    1,930.67x = 2,664.20 × 1,133.89
  4. Step 4: Simplify right side
    1,930.67x = 3,020,909.74
  5. Step 5: Solve for x
    x = 3,020,909.74/1,930.67
  6. Step 6: Final answer
    x = 1,564.70

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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.