Home / 1,814.14-2,502.75-1,223.66

Finding the Fourth Proportional to 1,814.14, 2,502.75 and 1,223.66

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Solution

The fourth proportional to 1,814.14, 2,502.75 and 1,223.66 is: 1,688.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814.14 : 2,502.75 = 1,223.66 : x
  2. Step 2: Convert to fraction form
    1,814.14/2,502.75 = 1,223.66/x
  3. Step 3: Cross multiply
    1,814.14x = 2,502.75 × 1,223.66
  4. Step 4: Simplify right side
    1,814.14x = 3,062,515.07
  5. Step 5: Solve for x
    x = 3,062,515.07/1,814.14
  6. Step 6: Final answer
    x = 1,688.14

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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.