Home / 3,911.70-5,869.43-2,430.52

Finding the Fourth Proportional to 3,911.70, 5,869.43 and 2,430.52

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Solution

The fourth proportional to 3,911.70, 5,869.43 and 2,430.52 is: 3,646.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.70 : 5,869.43 = 2,430.52 : x
  2. Step 2: Convert to fraction form
    3,911.70/5,869.43 = 2,430.52/x
  3. Step 3: Cross multiply
    3,911.70x = 5,869.43 × 2,430.52
  4. Step 4: Simplify right side
    3,911.70x = 14,265,767.00
  5. Step 5: Solve for x
    x = 14,265,767.00/3,911.70
  6. Step 6: Final answer
    x = 3,646.95

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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.