Home / 2,887.48-4,332.03-939.43

Finding the Fourth Proportional to 2,887.48, 4,332.03 and 939.43

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Solution

The fourth proportional to 2,887.48, 4,332.03 and 939.43 is: 1,409.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.48 : 4,332.03 = 939.43 : x
  2. Step 2: Convert to fraction form
    2,887.48/4,332.03 = 939.43/x
  3. Step 3: Cross multiply
    2,887.48x = 4,332.03 × 939.43
  4. Step 4: Simplify right side
    2,887.48x = 4,069,638.94
  5. Step 5: Solve for x
    x = 4,069,638.94/2,887.48
  6. Step 6: Final answer
    x = 1,409.41

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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.