Home / 2,740.36-3,773.64-2,321.32

Finding the Fourth Proportional to 2,740.36, 3,773.64 and 2,321.32

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Solution

The fourth proportional to 2,740.36, 3,773.64 and 2,321.32 is: 3,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.36 : 3,773.64 = 2,321.32 : x
  2. Step 2: Convert to fraction form
    2,740.36/3,773.64 = 2,321.32/x
  3. Step 3: Cross multiply
    2,740.36x = 3,773.64 × 2,321.32
  4. Step 4: Simplify right side
    2,740.36x = 8,759,826.00
  5. Step 5: Solve for x
    x = 8,759,826.00/2,740.36
  6. Step 6: Final answer
    x = 3,196.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.