Home / 2,110.24-3,165.90-649.41

Finding the Fourth Proportional to 2,110.24, 3,165.90 and 649.41

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Solution

The fourth proportional to 2,110.24, 3,165.90 and 649.41 is: 974.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.24 : 3,165.90 = 649.41 : x
  2. Step 2: Convert to fraction form
    2,110.24/3,165.90 = 649.41/x
  3. Step 3: Cross multiply
    2,110.24x = 3,165.90 × 649.41
  4. Step 4: Simplify right side
    2,110.24x = 2,055,967.12
  5. Step 5: Solve for x
    x = 2,055,967.12/2,110.24
  6. Step 6: Final answer
    x = 974.28

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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.