Home / 3,253.53-4,488.12-2,690.67

Finding the Fourth Proportional to 3,253.53, 4,488.12 and 2,690.67

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Solution

The fourth proportional to 3,253.53, 4,488.12 and 2,690.67 is: 3,711.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.53 : 4,488.12 = 2,690.67 : x
  2. Step 2: Convert to fraction form
    3,253.53/4,488.12 = 2,690.67/x
  3. Step 3: Cross multiply
    3,253.53x = 4,488.12 × 2,690.67
  4. Step 4: Simplify right side
    3,253.53x = 12,076,049.84
  5. Step 5: Solve for x
    x = 12,076,049.84/3,253.53
  6. Step 6: Final answer
    x = 3,711.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.