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Finding the Fourth Proportional to 2,009.50, 3,014.26 and 623.15

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Solution

The fourth proportional to 2,009.50, 3,014.26 and 623.15 is: 934.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.50 : 3,014.26 = 623.15 : x
  2. Step 2: Convert to fraction form
    2,009.50/3,014.26 = 623.15/x
  3. Step 3: Cross multiply
    2,009.50x = 3,014.26 × 623.15
  4. Step 4: Simplify right side
    2,009.50x = 1,878,336.12
  5. Step 5: Solve for x
    x = 1,878,336.12/2,009.50
  6. Step 6: Final answer
    x = 934.73

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Double scale
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Similar ratio
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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.