Home / 3,784.32-5,660.16-2,916.48

Finding the Fourth Proportional to 3,784.32, 5,660.16 and 2,916.48

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Solution

The fourth proportional to 3,784.32, 5,660.16 and 2,916.48 is: 4,362.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.32 : 5,660.16 = 2,916.48 : x
  2. Step 2: Convert to fraction form
    3,784.32/5,660.16 = 2,916.48/x
  3. Step 3: Cross multiply
    3,784.32x = 5,660.16 × 2,916.48
  4. Step 4: Simplify right side
    3,784.32x = 16,507,743.44
  5. Step 5: Solve for x
    x = 16,507,743.44/3,784.32
  6. Step 6: Final answer
    x = 4,362.14

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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.