Home / 1,491.09-2,232.98-1,229.49

Finding the Fourth Proportional to 1,491.09, 2,232.98 and 1,229.49

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Solution

The fourth proportional to 1,491.09, 2,232.98 and 1,229.49 is: 1,841.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491.09 : 2,232.98 = 1,229.49 : x
  2. Step 2: Convert to fraction form
    1,491.09/2,232.98 = 1,229.49/x
  3. Step 3: Cross multiply
    1,491.09x = 2,232.98 × 1,229.49
  4. Step 4: Simplify right side
    1,491.09x = 2,745,420.43
  5. Step 5: Solve for x
    x = 2,745,420.43/1,491.09
  6. Step 6: Final answer
    x = 1,841.22

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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.