Home / 2,445.35-3,650.14-2,100.90

Finding the Fourth Proportional to 2,445.35, 3,650.14 and 2,100.90

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Solution

The fourth proportional to 2,445.35, 3,650.14 and 2,100.90 is: 3,135.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.35 : 3,650.14 = 2,100.90 : x
  2. Step 2: Convert to fraction form
    2,445.35/3,650.14 = 2,100.90/x
  3. Step 3: Cross multiply
    2,445.35x = 3,650.14 × 2,100.90
  4. Step 4: Simplify right side
    2,445.35x = 7,668,568.62
  5. Step 5: Solve for x
    x = 7,668,568.62/2,445.35
  6. Step 6: Final answer
    x = 3,135.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.