Home / 2,938.80-4,407.32-1,183.24

Finding the Fourth Proportional to 2,938.80, 4,407.32 and 1,183.24

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Solution

The fourth proportional to 2,938.80, 4,407.32 and 1,183.24 is: 1,774.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.80 : 4,407.32 = 1,183.24 : x
  2. Step 2: Convert to fraction form
    2,938.80/4,407.32 = 1,183.24/x
  3. Step 3: Cross multiply
    2,938.80x = 4,407.32 × 1,183.24
  4. Step 4: Simplify right side
    2,938.80x = 5,214,909.26
  5. Step 5: Solve for x
    x = 5,214,909.26/2,938.80
  6. Step 6: Final answer
    x = 1,774.50

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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.