Home / 1,508.22-2,082.51-1,214.87

Finding the Fourth Proportional to 1,508.22, 2,082.51 and 1,214.87

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Solution

The fourth proportional to 1,508.22, 2,082.51 and 1,214.87 is: 1,677.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.22 : 2,082.51 = 1,214.87 : x
  2. Step 2: Convert to fraction form
    1,508.22/2,082.51 = 1,214.87/x
  3. Step 3: Cross multiply
    1,508.22x = 2,082.51 × 1,214.87
  4. Step 4: Simplify right side
    1,508.22x = 2,529,978.92
  5. Step 5: Solve for x
    x = 2,529,978.92/1,508.22
  6. Step 6: Final answer
    x = 1,677.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.