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Finding the Fourth Proportional to 2,062.56, 3,094.65 and 907.50

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Solution

The fourth proportional to 2,062.56, 3,094.65 and 907.50 is: 1,361.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,062.56 : 3,094.65 = 907.50 : x
  2. Step 2: Convert to fraction form
    2,062.56/3,094.65 = 907.50/x
  3. Step 3: Cross multiply
    2,062.56x = 3,094.65 × 907.50
  4. Step 4: Simplify right side
    2,062.56x = 2,808,394.88
  5. Step 5: Solve for x
    x = 2,808,394.88/2,062.56
  6. Step 6: Final answer
    x = 1,361.61

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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.