Home / 2,889.30-4,331.22-2,632.50

Finding the Fourth Proportional to 2,889.30, 4,331.22 and 2,632.50

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Solution

The fourth proportional to 2,889.30, 4,331.22 and 2,632.50 is: 3,946.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.30 : 4,331.22 = 2,632.50 : x
  2. Step 2: Convert to fraction form
    2,889.30/4,331.22 = 2,632.50/x
  3. Step 3: Cross multiply
    2,889.30x = 4,331.22 × 2,632.50
  4. Step 4: Simplify right side
    2,889.30x = 11,401,936.65
  5. Step 5: Solve for x
    x = 11,401,936.65/2,889.30
  6. Step 6: Final answer
    x = 3,946.26

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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.