Home / 2,651.54-3,957.86-2,340.19

Finding the Fourth Proportional to 2,651.54, 3,957.86 and 2,340.19

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Solution

The fourth proportional to 2,651.54, 3,957.86 and 2,340.19 is: 3,493.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.54 : 3,957.86 = 2,340.19 : x
  2. Step 2: Convert to fraction form
    2,651.54/3,957.86 = 2,340.19/x
  3. Step 3: Cross multiply
    2,651.54x = 3,957.86 × 2,340.19
  4. Step 4: Simplify right side
    2,651.54x = 9,262,155.19
  5. Step 5: Solve for x
    x = 9,262,155.19/2,651.54
  6. Step 6: Final answer
    x = 3,493.13

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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.