Home / 1,037.56-1,556.76-1,021.18

Finding the Fourth Proportional to 1,037.56, 1,556.76 and 1,021.18

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Solution

The fourth proportional to 1,037.56, 1,556.76 and 1,021.18 is: 1,532.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.56 : 1,556.76 = 1,021.18 : x
  2. Step 2: Convert to fraction form
    1,037.56/1,556.76 = 1,021.18/x
  3. Step 3: Cross multiply
    1,037.56x = 1,556.76 × 1,021.18
  4. Step 4: Simplify right side
    1,037.56x = 1,589,732.18
  5. Step 5: Solve for x
    x = 1,589,732.18/1,037.56
  6. Step 6: Final answer
    x = 1,532.18

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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.