Home / 1,037.80-1,556.40-344.56

Finding the Fourth Proportional to 1,037.80, 1,556.40 and 344.56

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Solution

The fourth proportional to 1,037.80, 1,556.40 and 344.56 is: 516.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.80 : 1,556.40 = 344.56 : x
  2. Step 2: Convert to fraction form
    1,037.80/1,556.40 = 344.56/x
  3. Step 3: Cross multiply
    1,037.80x = 1,556.40 × 344.56
  4. Step 4: Simplify right side
    1,037.80x = 536,273.18
  5. Step 5: Solve for x
    x = 536,273.18/1,037.80
  6. Step 6: Final answer
    x = 516.74

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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.