Home / 2,643-3,984.38-2,464.62

Finding the Fourth Proportional to 2,643, 3,984.38 and 2,464.62

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Solution

The fourth proportional to 2,643, 3,984.38 and 2,464.62 is: 3,715.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643 : 3,984.38 = 2,464.62 : x
  2. Step 2: Convert to fraction form
    2,643/3,984.38 = 2,464.62/x
  3. Step 3: Cross multiply
    2,643x = 3,984.38 × 2,464.62
  4. Step 4: Simplify right side
    2,643x = 9,819,970.31
  5. Step 5: Solve for x
    x = 9,819,970.31/2,643
  6. Step 6: Final answer
    x = 3,715.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.