Home / 1,434.67-2,146.88-1,124.39

Finding the Fourth Proportional to 1,434.67, 2,146.88 and 1,124.39

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Solution

The fourth proportional to 1,434.67, 2,146.88 and 1,124.39 is: 1,682.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434.67 : 2,146.88 = 1,124.39 : x
  2. Step 2: Convert to fraction form
    1,434.67/2,146.88 = 1,124.39/x
  3. Step 3: Cross multiply
    1,434.67x = 2,146.88 × 1,124.39
  4. Step 4: Simplify right side
    1,434.67x = 2,413,930.15
  5. Step 5: Solve for x
    x = 2,413,930.15/1,434.67
  6. Step 6: Final answer
    x = 1,682.57

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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.