Home / 3,921.32-5,884.24-1,457.84

Finding the Fourth Proportional to 3,921.32, 5,884.24 and 1,457.84

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Solution

The fourth proportional to 3,921.32, 5,884.24 and 1,457.84 is: 2,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.32 : 5,884.24 = 1,457.84 : x
  2. Step 2: Convert to fraction form
    3,921.32/5,884.24 = 1,457.84/x
  3. Step 3: Cross multiply
    3,921.32x = 5,884.24 × 1,457.84
  4. Step 4: Simplify right side
    3,921.32x = 8,578,280.44
  5. Step 5: Solve for x
    x = 8,578,280.44/3,921.32
  6. Step 6: Final answer
    x = 2,187.60

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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.