Home / 1,495.98-2,247.21-1,222.74

Finding the Fourth Proportional to 1,495.98, 2,247.21 and 1,222.74

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Solution

The fourth proportional to 1,495.98, 2,247.21 and 1,222.74 is: 1,836.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.98 : 2,247.21 = 1,222.74 : x
  2. Step 2: Convert to fraction form
    1,495.98/2,247.21 = 1,222.74/x
  3. Step 3: Cross multiply
    1,495.98x = 2,247.21 × 1,222.74
  4. Step 4: Simplify right side
    1,495.98x = 2,747,753.56
  5. Step 5: Solve for x
    x = 2,747,753.56/1,495.98
  6. Step 6: Final answer
    x = 1,836.76

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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.