Home / 2,426.25-3,639.39-695.01

Finding the Fourth Proportional to 2,426.25, 3,639.39 and 695.01

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Solution

The fourth proportional to 2,426.25, 3,639.39 and 695.01 is: 1,042.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426.25 : 3,639.39 = 695.01 : x
  2. Step 2: Convert to fraction form
    2,426.25/3,639.39 = 695.01/x
  3. Step 3: Cross multiply
    2,426.25x = 3,639.39 × 695.01
  4. Step 4: Simplify right side
    2,426.25x = 2,529,412.44
  5. Step 5: Solve for x
    x = 2,529,412.44/2,426.25
  6. Step 6: Final answer
    x = 1,042.52

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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.