Home / 3,623.99-5,439.62-2,647.13

Finding the Fourth Proportional to 3,623.99, 5,439.62 and 2,647.13

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Solution

The fourth proportional to 3,623.99, 5,439.62 and 2,647.13 is: 3,973.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.99 : 5,439.62 = 2,647.13 : x
  2. Step 2: Convert to fraction form
    3,623.99/5,439.62 = 2,647.13/x
  3. Step 3: Cross multiply
    3,623.99x = 5,439.62 × 2,647.13
  4. Step 4: Simplify right side
    3,623.99x = 14,399,360.71
  5. Step 5: Solve for x
    x = 14,399,360.71/3,623.99
  6. Step 6: Final answer
    x = 3,973.35

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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.