Home / 2,403.76-3,317.18-1,299.76

Finding the Fourth Proportional to 2,403.76, 3,317.18 and 1,299.76

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Solution

The fourth proportional to 2,403.76, 3,317.18 and 1,299.76 is: 1,793.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.76 : 3,317.18 = 1,299.76 : x
  2. Step 2: Convert to fraction form
    2,403.76/3,317.18 = 1,299.76/x
  3. Step 3: Cross multiply
    2,403.76x = 3,317.18 × 1,299.76
  4. Step 4: Simplify right side
    2,403.76x = 4,311,537.88
  5. Step 5: Solve for x
    x = 4,311,537.88/2,403.76
  6. Step 6: Final answer
    x = 1,793.66

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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.