Home / 1,651.03-2,278.66-1,021.76

Finding the Fourth Proportional to 1,651.03, 2,278.66 and 1,021.76

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Solution

The fourth proportional to 1,651.03, 2,278.66 and 1,021.76 is: 1,410.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.03 : 2,278.66 = 1,021.76 : x
  2. Step 2: Convert to fraction form
    1,651.03/2,278.66 = 1,021.76/x
  3. Step 3: Cross multiply
    1,651.03x = 2,278.66 × 1,021.76
  4. Step 4: Simplify right side
    1,651.03x = 2,328,246.78
  5. Step 5: Solve for x
    x = 2,328,246.78/1,651.03
  6. Step 6: Final answer
    x = 1,410.18

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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.