Home / 2,457.08-3,680.62-1,964.32

Finding the Fourth Proportional to 2,457.08, 3,680.62 and 1,964.32

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Solution

The fourth proportional to 2,457.08, 3,680.62 and 1,964.32 is: 2,942.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.08 : 3,680.62 = 1,964.32 : x
  2. Step 2: Convert to fraction form
    2,457.08/3,680.62 = 1,964.32/x
  3. Step 3: Cross multiply
    2,457.08x = 3,680.62 × 1,964.32
  4. Step 4: Simplify right side
    2,457.08x = 7,229,915.48
  5. Step 5: Solve for x
    x = 7,229,915.48/2,457.08
  6. Step 6: Final answer
    x = 2,942.48

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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.