Home / 2,077.68-3,113.76-1,101.68

Finding the Fourth Proportional to 2,077.68, 3,113.76 and 1,101.68

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Solution

The fourth proportional to 2,077.68, 3,113.76 and 1,101.68 is: 1,651.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.68 : 3,113.76 = 1,101.68 : x
  2. Step 2: Convert to fraction form
    2,077.68/3,113.76 = 1,101.68/x
  3. Step 3: Cross multiply
    2,077.68x = 3,113.76 × 1,101.68
  4. Step 4: Simplify right side
    2,077.68x = 3,430,367.12
  5. Step 5: Solve for x
    x = 3,430,367.12/2,077.68
  6. Step 6: Final answer
    x = 1,651.06

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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.