Home / 1,037.40-1,556.27-517.31

Finding the Fourth Proportional to 1,037.40, 1,556.27 and 517.31

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Solution

The fourth proportional to 1,037.40, 1,556.27 and 517.31 is: 776.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.40 : 1,556.27 = 517.31 : x
  2. Step 2: Convert to fraction form
    1,037.40/1,556.27 = 517.31/x
  3. Step 3: Cross multiply
    1,037.40x = 1,556.27 × 517.31
  4. Step 4: Simplify right side
    1,037.40x = 805,067.97
  5. Step 5: Solve for x
    x = 805,067.97/1,037.40
  6. Step 6: Final answer
    x = 776.04

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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.