Home / 2,438.11-3,364.58-1,319.04

Finding the Fourth Proportional to 2,438.11, 3,364.58 and 1,319.04

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Solution

The fourth proportional to 2,438.11, 3,364.58 and 1,319.04 is: 1,820.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438.11 : 3,364.58 = 1,319.04 : x
  2. Step 2: Convert to fraction form
    2,438.11/3,364.58 = 1,319.04/x
  3. Step 3: Cross multiply
    2,438.11x = 3,364.58 × 1,319.04
  4. Step 4: Simplify right side
    2,438.11x = 4,438,014.86
  5. Step 5: Solve for x
    x = 4,438,014.86/2,438.11
  6. Step 6: Final answer
    x = 1,820.27

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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.