Home / 3,441.80-4,749.68-1,869.89

Finding the Fourth Proportional to 3,441.80, 4,749.68 and 1,869.89

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Solution

The fourth proportional to 3,441.80, 4,749.68 and 1,869.89 is: 2,580.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.80 : 4,749.68 = 1,869.89 : x
  2. Step 2: Convert to fraction form
    3,441.80/4,749.68 = 1,869.89/x
  3. Step 3: Cross multiply
    3,441.80x = 4,749.68 × 1,869.89
  4. Step 4: Simplify right side
    3,441.80x = 8,881,379.14
  5. Step 5: Solve for x
    x = 8,881,379.14/3,441.80
  6. Step 6: Final answer
    x = 2,580.45

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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.