Home / 3,622.71-5,000.53-2,130.56

Finding the Fourth Proportional to 3,622.71, 5,000.53 and 2,130.56

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Solution

The fourth proportional to 3,622.71, 5,000.53 and 2,130.56 is: 2,940.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.71 : 5,000.53 = 2,130.56 : x
  2. Step 2: Convert to fraction form
    3,622.71/5,000.53 = 2,130.56/x
  3. Step 3: Cross multiply
    3,622.71x = 5,000.53 × 2,130.56
  4. Step 4: Simplify right side
    3,622.71x = 10,653,929.20
  5. Step 5: Solve for x
    x = 10,653,929.20/3,622.71
  6. Step 6: Final answer
    x = 2,940.87

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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.