Home / 3,769.67-5,654.57-1,430.76

Finding the Fourth Proportional to 3,769.67, 5,654.57 and 1,430.76

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Solution

The fourth proportional to 3,769.67, 5,654.57 and 1,430.76 is: 2,146.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.67 : 5,654.57 = 1,430.76 : x
  2. Step 2: Convert to fraction form
    3,769.67/5,654.57 = 1,430.76/x
  3. Step 3: Cross multiply
    3,769.67x = 5,654.57 × 1,430.76
  4. Step 4: Simplify right side
    3,769.67x = 8,090,325.42
  5. Step 5: Solve for x
    x = 8,090,325.42/3,769.67
  6. Step 6: Final answer
    x = 2,146.17

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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.