Home / 1,849.74-2,553.45-1,291.02

Finding the Fourth Proportional to 1,849.74, 2,553.45 and 1,291.02

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Solution

The fourth proportional to 1,849.74, 2,553.45 and 1,291.02 is: 1,782.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849.74 : 2,553.45 = 1,291.02 : x
  2. Step 2: Convert to fraction form
    1,849.74/2,553.45 = 1,291.02/x
  3. Step 3: Cross multiply
    1,849.74x = 2,553.45 × 1,291.02
  4. Step 4: Simplify right side
    1,849.74x = 3,296,555.02
  5. Step 5: Solve for x
    x = 3,296,555.02/1,849.74
  6. Step 6: Final answer
    x = 1,782.17

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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.