Home / 3,664.24-5,056.40-2,172.08

Finding the Fourth Proportional to 3,664.24, 5,056.40 and 2,172.08

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Solution

The fourth proportional to 3,664.24, 5,056.40 and 2,172.08 is: 2,997.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.24 : 5,056.40 = 2,172.08 : x
  2. Step 2: Convert to fraction form
    3,664.24/5,056.40 = 2,172.08/x
  3. Step 3: Cross multiply
    3,664.24x = 5,056.40 × 2,172.08
  4. Step 4: Simplify right side
    3,664.24x = 10,982,905.31
  5. Step 5: Solve for x
    x = 10,982,905.31/3,664.24
  6. Step 6: Final answer
    x = 2,997.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.