Home / 2,445.46-3,367.91-2,320.45

Finding the Fourth Proportional to 2,445.46, 3,367.91 and 2,320.45

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Solution

The fourth proportional to 2,445.46, 3,367.91 and 2,320.45 is: 3,195.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.46 : 3,367.91 = 2,320.45 : x
  2. Step 2: Convert to fraction form
    2,445.46/3,367.91 = 2,320.45/x
  3. Step 3: Cross multiply
    2,445.46x = 3,367.91 × 2,320.45
  4. Step 4: Simplify right side
    2,445.46x = 7,815,064.14
  5. Step 5: Solve for x
    x = 7,815,064.14/2,445.46
  6. Step 6: Final answer
    x = 3,195.75

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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.