Home / 1,651.04-2,278.96-1,091.87

Finding the Fourth Proportional to 1,651.04, 2,278.96 and 1,091.87

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Solution

The fourth proportional to 1,651.04, 2,278.96 and 1,091.87 is: 1,507.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.04 : 2,278.96 = 1,091.87 : x
  2. Step 2: Convert to fraction form
    1,651.04/2,278.96 = 1,091.87/x
  3. Step 3: Cross multiply
    1,651.04x = 2,278.96 × 1,091.87
  4. Step 4: Simplify right side
    1,651.04x = 2,488,313.93
  5. Step 5: Solve for x
    x = 2,488,313.93/1,651.04
  6. Step 6: Final answer
    x = 1,507.12

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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.