Home / 2,451.84-3,653.20-2,193.12

Finding the Fourth Proportional to 2,451.84, 3,653.20 and 2,193.12

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Solution

The fourth proportional to 2,451.84, 3,653.20 and 2,193.12 is: 3,267.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.84 : 3,653.20 = 2,193.12 : x
  2. Step 2: Convert to fraction form
    2,451.84/3,653.20 = 2,193.12/x
  3. Step 3: Cross multiply
    2,451.84x = 3,653.20 × 2,193.12
  4. Step 4: Simplify right side
    2,451.84x = 8,011,905.98
  5. Step 5: Solve for x
    x = 8,011,905.98/2,451.84
  6. Step 6: Final answer
    x = 3,267.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.