Home / 1,459.75-2,015.37-1,127.56

Finding the Fourth Proportional to 1,459.75, 2,015.37 and 1,127.56

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Solution

The fourth proportional to 1,459.75, 2,015.37 and 1,127.56 is: 1,556.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.75 : 2,015.37 = 1,127.56 : x
  2. Step 2: Convert to fraction form
    1,459.75/2,015.37 = 1,127.56/x
  3. Step 3: Cross multiply
    1,459.75x = 2,015.37 × 1,127.56
  4. Step 4: Simplify right side
    1,459.75x = 2,272,450.60
  5. Step 5: Solve for x
    x = 2,272,450.60/1,459.75
  6. Step 6: Final answer
    x = 1,556.74

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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.