Home / 2,445.12-3,370.32-2,002.24

Finding the Fourth Proportional to 2,445.12, 3,370.32 and 2,002.24

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Solution

The fourth proportional to 2,445.12, 3,370.32 and 2,002.24 is: 2,759.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.12 : 3,370.32 = 2,002.24 : x
  2. Step 2: Convert to fraction form
    2,445.12/3,370.32 = 2,002.24/x
  3. Step 3: Cross multiply
    2,445.12x = 3,370.32 × 2,002.24
  4. Step 4: Simplify right side
    2,445.12x = 6,748,189.52
  5. Step 5: Solve for x
    x = 6,748,189.52/2,445.12
  6. Step 6: Final answer
    x = 2,759.86

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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.