Home / 1,145.62-1,719.14-529.41

Finding the Fourth Proportional to 1,145.62, 1,719.14 and 529.41

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Solution

The fourth proportional to 1,145.62, 1,719.14 and 529.41 is: 794.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145.62 : 1,719.14 = 529.41 : x
  2. Step 2: Convert to fraction form
    1,145.62/1,719.14 = 529.41/x
  3. Step 3: Cross multiply
    1,145.62x = 1,719.14 × 529.41
  4. Step 4: Simplify right side
    1,145.62x = 910,129.91
  5. Step 5: Solve for x
    x = 910,129.91/1,145.62
  6. Step 6: Final answer
    x = 794.44

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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.