Home / 1,424.52-2,134.77-1,277.34

Finding the Fourth Proportional to 1,424.52, 2,134.77 and 1,277.34

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Solution

The fourth proportional to 1,424.52, 2,134.77 and 1,277.34 is: 1,914.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424.52 : 2,134.77 = 1,277.34 : x
  2. Step 2: Convert to fraction form
    1,424.52/2,134.77 = 1,277.34/x
  3. Step 3: Cross multiply
    1,424.52x = 2,134.77 × 1,277.34
  4. Step 4: Simplify right side
    1,424.52x = 2,726,827.11
  5. Step 5: Solve for x
    x = 2,726,827.11/1,424.52
  6. Step 6: Final answer
    x = 1,914.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.