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Finding the Fourth Proportional to 2,009.20, 3,014.16 and 710.32

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Solution

The fourth proportional to 2,009.20, 3,014.16 and 710.32 is: 1,065.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.20 : 3,014.16 = 710.32 : x
  2. Step 2: Convert to fraction form
    2,009.20/3,014.16 = 710.32/x
  3. Step 3: Cross multiply
    2,009.20x = 3,014.16 × 710.32
  4. Step 4: Simplify right side
    2,009.20x = 2,141,018.13
  5. Step 5: Solve for x
    x = 2,141,018.13/2,009.20
  6. Step 6: Final answer
    x = 1,065.61

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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.