Home / 3,434.58-5,153.37-3,286.98

Finding the Fourth Proportional to 3,434.58, 5,153.37 and 3,286.98

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Solution

The fourth proportional to 3,434.58, 5,153.37 and 3,286.98 is: 4,931.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.58 : 5,153.37 = 3,286.98 : x
  2. Step 2: Convert to fraction form
    3,434.58/5,153.37 = 3,286.98/x
  3. Step 3: Cross multiply
    3,434.58x = 5,153.37 × 3,286.98
  4. Step 4: Simplify right side
    3,434.58x = 16,939,024.12
  5. Step 5: Solve for x
    x = 16,939,024.12/3,434.58
  6. Step 6: Final answer
    x = 4,931.91

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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.