Home / 1,556.76-2,336.16-691.04

Finding the Fourth Proportional to 1,556.76, 2,336.16 and 691.04

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Solution

The fourth proportional to 1,556.76, 2,336.16 and 691.04 is: 1,037.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.76 : 2,336.16 = 691.04 : x
  2. Step 2: Convert to fraction form
    1,556.76/2,336.16 = 691.04/x
  3. Step 3: Cross multiply
    1,556.76x = 2,336.16 × 691.04
  4. Step 4: Simplify right side
    1,556.76x = 1,614,380.01
  5. Step 5: Solve for x
    x = 1,614,380.01/1,556.76
  6. Step 6: Final answer
    x = 1,037.01

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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.