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Finding the Fourth Proportional to 2,583.07, 3,875.07 and 939.48

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Solution

The fourth proportional to 2,583.07, 3,875.07 and 939.48 is: 1,409.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,583.07 : 3,875.07 = 939.48 : x
  2. Step 2: Convert to fraction form
    2,583.07/3,875.07 = 939.48/x
  3. Step 3: Cross multiply
    2,583.07x = 3,875.07 × 939.48
  4. Step 4: Simplify right side
    2,583.07x = 3,640,550.76
  5. Step 5: Solve for x
    x = 3,640,550.76/2,583.07
  6. Step 6: Final answer
    x = 1,409.39

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1.5x scale

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.