Home / 2,960.64-4,442.04-1,807.20

Finding the Fourth Proportional to 2,960.64, 4,442.04 and 1,807.20

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Solution

The fourth proportional to 2,960.64, 4,442.04 and 1,807.20 is: 2,711.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.64 : 4,442.04 = 1,807.20 : x
  2. Step 2: Convert to fraction form
    2,960.64/4,442.04 = 1,807.20/x
  3. Step 3: Cross multiply
    2,960.64x = 4,442.04 × 1,807.20
  4. Step 4: Simplify right side
    2,960.64x = 8,027,654.69
  5. Step 5: Solve for x
    x = 8,027,654.69/2,960.64
  6. Step 6: Final answer
    x = 2,711.46

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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.