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Finding the Fourth Proportional to 1,501.44, 2,253.79 and 624.55

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Solution

The fourth proportional to 1,501.44, 2,253.79 and 624.55 is: 937.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501.44 : 2,253.79 = 624.55 : x
  2. Step 2: Convert to fraction form
    1,501.44/2,253.79 = 624.55/x
  3. Step 3: Cross multiply
    1,501.44x = 2,253.79 × 624.55
  4. Step 4: Simplify right side
    1,501.44x = 1,407,604.54
  5. Step 5: Solve for x
    x = 1,407,604.54/1,501.44
  6. Step 6: Final answer
    x = 937.50

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Double scale
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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.