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Finding the Fourth Proportional to 2,555.57, 3,839.84 and 2,383.58

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Solution

The fourth proportional to 2,555.57, 3,839.84 and 2,383.58 is: 3,581.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.57 : 3,839.84 = 2,383.58 : x
  2. Step 2: Convert to fraction form
    2,555.57/3,839.84 = 2,383.58/x
  3. Step 3: Cross multiply
    2,555.57x = 3,839.84 × 2,383.58
  4. Step 4: Simplify right side
    2,555.57x = 9,152,534.71
  5. Step 5: Solve for x
    x = 9,152,534.71/2,555.57
  6. Step 6: Final answer
    x = 3,581.41

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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.