Home / 3,286.85-4,929.77-1,437.64

Finding the Fourth Proportional to 3,286.85, 4,929.77 and 1,437.64

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Solution

The fourth proportional to 3,286.85, 4,929.77 and 1,437.64 is: 2,156.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.85 : 4,929.77 = 1,437.64 : x
  2. Step 2: Convert to fraction form
    3,286.85/4,929.77 = 1,437.64/x
  3. Step 3: Cross multiply
    3,286.85x = 4,929.77 × 1,437.64
  4. Step 4: Simplify right side
    3,286.85x = 7,087,225.81
  5. Step 5: Solve for x
    x = 7,087,225.81/3,286.85
  6. Step 6: Final answer
    x = 2,156.24

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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.