Home / 3,379.61-4,664.05-1,887.56

Finding the Fourth Proportional to 3,379.61, 4,664.05 and 1,887.56

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Solution

The fourth proportional to 3,379.61, 4,664.05 and 1,887.56 is: 2,604.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.61 : 4,664.05 = 1,887.56 : x
  2. Step 2: Convert to fraction form
    3,379.61/4,664.05 = 1,887.56/x
  3. Step 3: Cross multiply
    3,379.61x = 4,664.05 × 1,887.56
  4. Step 4: Simplify right side
    3,379.61x = 8,803,681.16
  5. Step 5: Solve for x
    x = 8,803,681.16/3,379.61
  6. Step 6: Final answer
    x = 2,604.94

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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.