Home / 2,426.36-3,640.44-2,154.50

Finding the Fourth Proportional to 2,426.36, 3,640.44 and 2,154.50

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Solution

The fourth proportional to 2,426.36, 3,640.44 and 2,154.50 is: 3,232.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426.36 : 3,640.44 = 2,154.50 : x
  2. Step 2: Convert to fraction form
    2,426.36/3,640.44 = 2,154.50/x
  3. Step 3: Cross multiply
    2,426.36x = 3,640.44 × 2,154.50
  4. Step 4: Simplify right side
    2,426.36x = 7,843,331.51
  5. Step 5: Solve for x
    x = 7,843,331.51/2,426.36
  6. Step 6: Final answer
    x = 3,232.56

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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.