Home / 2,340.77-3,495.96-2,120.95

Finding the Fourth Proportional to 2,340.77, 3,495.96 and 2,120.95

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Solution

The fourth proportional to 2,340.77, 3,495.96 and 2,120.95 is: 3,167.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.77 : 3,495.96 = 2,120.95 : x
  2. Step 2: Convert to fraction form
    2,340.77/3,495.96 = 2,120.95/x
  3. Step 3: Cross multiply
    2,340.77x = 3,495.96 × 2,120.95
  4. Step 4: Simplify right side
    2,340.77x = 7,414,760.73
  5. Step 5: Solve for x
    x = 7,414,760.73/2,340.77
  6. Step 6: Final answer
    x = 3,167.67

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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.