Home / 1,614.39-2,228.53-1,366.99

Finding the Fourth Proportional to 1,614.39, 2,228.53 and 1,366.99

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Solution

The fourth proportional to 1,614.39, 2,228.53 and 1,366.99 is: 1,887.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614.39 : 2,228.53 = 1,366.99 : x
  2. Step 2: Convert to fraction form
    1,614.39/2,228.53 = 1,366.99/x
  3. Step 3: Cross multiply
    1,614.39x = 2,228.53 × 1,366.99
  4. Step 4: Simplify right side
    1,614.39x = 3,046,363.66
  5. Step 5: Solve for x
    x = 3,046,363.66/1,614.39
  6. Step 6: Final answer
    x = 1,887.01

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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.