Home / 2,340.68-3,495.83-2,120.86

Finding the Fourth Proportional to 2,340.68, 3,495.83 and 2,120.86

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Solution

The fourth proportional to 2,340.68, 3,495.83 and 2,120.86 is: 3,167.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.68 : 3,495.83 = 2,120.86 : x
  2. Step 2: Convert to fraction form
    2,340.68/3,495.83 = 2,120.86/x
  3. Step 3: Cross multiply
    2,340.68x = 3,495.83 × 2,120.86
  4. Step 4: Simplify right side
    2,340.68x = 7,414,166.01
  5. Step 5: Solve for x
    x = 7,414,166.01/2,340.68
  6. Step 6: Final answer
    x = 3,167.53

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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.