Home / 2,940.64-4,412.10-1,298.44

Finding the Fourth Proportional to 2,940.64, 4,412.10 and 1,298.44

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Solution

The fourth proportional to 2,940.64, 4,412.10 and 1,298.44 is: 1,948.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.64 : 4,412.10 = 1,298.44 : x
  2. Step 2: Convert to fraction form
    2,940.64/4,412.10 = 1,298.44/x
  3. Step 3: Cross multiply
    2,940.64x = 4,412.10 × 1,298.44
  4. Step 4: Simplify right side
    2,940.64x = 5,728,847.12
  5. Step 5: Solve for x
    x = 5,728,847.12/2,940.64
  6. Step 6: Final answer
    x = 1,948.16

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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.