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Finding the Fourth Proportional to 2,065.60, 3,098.56 and 604.64

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Solution

The fourth proportional to 2,065.60, 3,098.56 and 604.64 is: 907.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065.60 : 3,098.56 = 604.64 : x
  2. Step 2: Convert to fraction form
    2,065.60/3,098.56 = 604.64/x
  3. Step 3: Cross multiply
    2,065.60x = 3,098.56 × 604.64
  4. Step 4: Simplify right side
    2,065.60x = 1,873,513.32
  5. Step 5: Solve for x
    x = 1,873,513.32/2,065.60
  6. Step 6: Final answer
    x = 907.01

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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.