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Finding the Fourth Proportional to 1,550.54, 2,326.25 and 454.88

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Solution

The fourth proportional to 1,550.54, 2,326.25 and 454.88 is: 682.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550.54 : 2,326.25 = 454.88 : x
  2. Step 2: Convert to fraction form
    1,550.54/2,326.25 = 454.88/x
  3. Step 3: Cross multiply
    1,550.54x = 2,326.25 × 454.88
  4. Step 4: Simplify right side
    1,550.54x = 1,058,171.55
  5. Step 5: Solve for x
    x = 1,058,171.55/1,550.54
  6. Step 6: Final answer
    x = 682.45

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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.