Home / 3,790.96-5,230.24-2,298.32

Finding the Fourth Proportional to 3,790.96, 5,230.24 and 2,298.32

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Solution

The fourth proportional to 3,790.96, 5,230.24 and 2,298.32 is: 3,170.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.96 : 5,230.24 = 2,298.32 : x
  2. Step 2: Convert to fraction form
    3,790.96/5,230.24 = 2,298.32/x
  3. Step 3: Cross multiply
    3,790.96x = 5,230.24 × 2,298.32
  4. Step 4: Simplify right side
    3,790.96x = 12,020,765.20
  5. Step 5: Solve for x
    x = 12,020,765.20/3,790.96
  6. Step 6: Final answer
    x = 3,170.90

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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.