Home / 3,286.23-4,929.68-1,064.90

Finding the Fourth Proportional to 3,286.23, 4,929.68 and 1,064.90

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Solution

The fourth proportional to 3,286.23, 4,929.68 and 1,064.90 is: 1,597.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.23 : 4,929.68 = 1,064.90 : x
  2. Step 2: Convert to fraction form
    3,286.23/4,929.68 = 1,064.90/x
  3. Step 3: Cross multiply
    3,286.23x = 4,929.68 × 1,064.90
  4. Step 4: Simplify right side
    3,286.23x = 5,249,594.25
  5. Step 5: Solve for x
    x = 5,249,594.25/3,286.23
  6. Step 6: Final answer
    x = 1,597.45

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1.5x scale

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.