Home / 1,493.93-2,236.77-1,127.61

Finding the Fourth Proportional to 1,493.93, 2,236.77 and 1,127.61

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Solution

The fourth proportional to 1,493.93, 2,236.77 and 1,127.61 is: 1,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493.93 : 2,236.77 = 1,127.61 : x
  2. Step 2: Convert to fraction form
    1,493.93/2,236.77 = 1,127.61/x
  3. Step 3: Cross multiply
    1,493.93x = 2,236.77 × 1,127.61
  4. Step 4: Simplify right side
    1,493.93x = 2,522,204.22
  5. Step 5: Solve for x
    x = 2,522,204.22/1,493.93
  6. Step 6: Final answer
    x = 1,688.30

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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.