Home / 2,643.15-3,639.24-2,244.02

Finding the Fourth Proportional to 2,643.15, 3,639.24 and 2,244.02

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Solution

The fourth proportional to 2,643.15, 3,639.24 and 2,244.02 is: 3,089.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643.15 : 3,639.24 = 2,244.02 : x
  2. Step 2: Convert to fraction form
    2,643.15/3,639.24 = 2,244.02/x
  3. Step 3: Cross multiply
    2,643.15x = 3,639.24 × 2,244.02
  4. Step 4: Simplify right side
    2,643.15x = 8,166,523.31
  5. Step 5: Solve for x
    x = 8,166,523.31/2,643.15
  6. Step 6: Final answer
    x = 3,089.70

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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.