Home / 2,623.40-3,622.01-2,346.38

Finding the Fourth Proportional to 2,623.40, 3,622.01 and 2,346.38

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Solution

The fourth proportional to 2,623.40, 3,622.01 and 2,346.38 is: 3,239.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.40 : 3,622.01 = 2,346.38 : x
  2. Step 2: Convert to fraction form
    2,623.40/3,622.01 = 2,346.38/x
  3. Step 3: Cross multiply
    2,623.40x = 3,622.01 × 2,346.38
  4. Step 4: Simplify right side
    2,623.40x = 8,498,581.98
  5. Step 5: Solve for x
    x = 8,498,581.98/2,623.40
  6. Step 6: Final answer
    x = 3,239.54

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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.