Home / 1,644.39-2,465.68-1,124.98

Finding the Fourth Proportional to 1,644.39, 2,465.68 and 1,124.98

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Solution

The fourth proportional to 1,644.39, 2,465.68 and 1,124.98 is: 1,686.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644.39 : 2,465.68 = 1,124.98 : x
  2. Step 2: Convert to fraction form
    1,644.39/2,465.68 = 1,124.98/x
  3. Step 3: Cross multiply
    1,644.39x = 2,465.68 × 1,124.98
  4. Step 4: Simplify right side
    1,644.39x = 2,773,840.69
  5. Step 5: Solve for x
    x = 2,773,840.69/1,644.39
  6. Step 6: Final answer
    x = 1,686.85

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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.