Home / 1,556.28-2,146.14-1,051.56

Finding the Fourth Proportional to 1,556.28, 2,146.14 and 1,051.56

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Solution

The fourth proportional to 1,556.28, 2,146.14 and 1,051.56 is: 1,450.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.28 : 2,146.14 = 1,051.56 : x
  2. Step 2: Convert to fraction form
    1,556.28/2,146.14 = 1,051.56/x
  3. Step 3: Cross multiply
    1,556.28x = 2,146.14 × 1,051.56
  4. Step 4: Simplify right side
    1,556.28x = 2,256,794.98
  5. Step 5: Solve for x
    x = 2,256,794.98/1,556.28
  6. Step 6: Final answer
    x = 1,450.12

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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.