Home / 1,472.98-2,205.21-1,268.86

Finding the Fourth Proportional to 1,472.98, 2,205.21 and 1,268.86

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Solution

The fourth proportional to 1,472.98, 2,205.21 and 1,268.86 is: 1,899.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.98 : 2,205.21 = 1,268.86 : x
  2. Step 2: Convert to fraction form
    1,472.98/2,205.21 = 1,268.86/x
  3. Step 3: Cross multiply
    1,472.98x = 2,205.21 × 1,268.86
  4. Step 4: Simplify right side
    1,472.98x = 2,798,102.76
  5. Step 5: Solve for x
    x = 2,798,102.76/1,472.98
  6. Step 6: Final answer
    x = 1,899.62

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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.