Home / 1,910.60-2,636.58-1,124.70

Finding the Fourth Proportional to 1,910.60, 2,636.58 and 1,124.70

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Solution

The fourth proportional to 1,910.60, 2,636.58 and 1,124.70 is: 1,552.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910.60 : 2,636.58 = 1,124.70 : x
  2. Step 2: Convert to fraction form
    1,910.60/2,636.58 = 1,124.70/x
  3. Step 3: Cross multiply
    1,910.60x = 2,636.58 × 1,124.70
  4. Step 4: Simplify right side
    1,910.60x = 2,965,361.53
  5. Step 5: Solve for x
    x = 2,965,361.53/1,910.60
  6. Step 6: Final answer
    x = 1,552.06

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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.