Home / 2,656.06-3,983.96-900.99

Finding the Fourth Proportional to 2,656.06, 3,983.96 and 900.99

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Solution

The fourth proportional to 2,656.06, 3,983.96 and 900.99 is: 1,351.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656.06 : 3,983.96 = 900.99 : x
  2. Step 2: Convert to fraction form
    2,656.06/3,983.96 = 900.99/x
  3. Step 3: Cross multiply
    2,656.06x = 3,983.96 × 900.99
  4. Step 4: Simplify right side
    2,656.06x = 3,589,510.37
  5. Step 5: Solve for x
    x = 3,589,510.37/2,656.06
  6. Step 6: Final answer
    x = 1,351.44

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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.