Home / 2,101.10-3,151.65-2,060.60

Finding the Fourth Proportional to 2,101.10, 3,151.65 and 2,060.60

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Solution

The fourth proportional to 2,101.10, 3,151.65 and 2,060.60 is: 3,090.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101.10 : 3,151.65 = 2,060.60 : x
  2. Step 2: Convert to fraction form
    2,101.10/3,151.65 = 2,060.60/x
  3. Step 3: Cross multiply
    2,101.10x = 3,151.65 × 2,060.60
  4. Step 4: Simplify right side
    2,101.10x = 6,494,289.99
  5. Step 5: Solve for x
    x = 6,494,289.99/2,101.10
  6. Step 6: Final answer
    x = 3,090.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.