Home / 2,631.84-3,942.90-2,340.24

Finding the Fourth Proportional to 2,631.84, 3,942.90 and 2,340.24

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Solution

The fourth proportional to 2,631.84, 3,942.90 and 2,340.24 is: 3,506.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.84 : 3,942.90 = 2,340.24 : x
  2. Step 2: Convert to fraction form
    2,631.84/3,942.90 = 2,340.24/x
  3. Step 3: Cross multiply
    2,631.84x = 3,942.90 × 2,340.24
  4. Step 4: Simplify right side
    2,631.84x = 9,227,332.30
  5. Step 5: Solve for x
    x = 9,227,332.30/2,631.84
  6. Step 6: Final answer
    x = 3,506.04

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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.