Home / 2,645.37-3,966.24-1,084.92

Finding the Fourth Proportional to 2,645.37, 3,966.24 and 1,084.92

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Solution

The fourth proportional to 2,645.37, 3,966.24 and 1,084.92 is: 1,626.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645.37 : 3,966.24 = 1,084.92 : x
  2. Step 2: Convert to fraction form
    2,645.37/3,966.24 = 1,084.92/x
  3. Step 3: Cross multiply
    2,645.37x = 3,966.24 × 1,084.92
  4. Step 4: Simplify right side
    2,645.37x = 4,303,053.10
  5. Step 5: Solve for x
    x = 4,303,053.10/2,645.37
  6. Step 6: Final answer
    x = 1,626.64

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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.