Home / 2,457.91-3,684.64-1,225.70

Finding the Fourth Proportional to 2,457.91, 3,684.64 and 1,225.70

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Solution

The fourth proportional to 2,457.91, 3,684.64 and 1,225.70 is: 1,837.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.91 : 3,684.64 = 1,225.70 : x
  2. Step 2: Convert to fraction form
    2,457.91/3,684.64 = 1,225.70/x
  3. Step 3: Cross multiply
    2,457.91x = 3,684.64 × 1,225.70
  4. Step 4: Simplify right side
    2,457.91x = 4,516,243.30
  5. Step 5: Solve for x
    x = 4,516,243.30/2,457.91
  6. Step 6: Final answer
    x = 1,837.43

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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.