Home / 2,420.73-3,632.10-1,641.60

Finding the Fourth Proportional to 2,420.73, 3,632.10 and 1,641.60

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Solution

The fourth proportional to 2,420.73, 3,632.10 and 1,641.60 is: 2,463.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.73 : 3,632.10 = 1,641.60 : x
  2. Step 2: Convert to fraction form
    2,420.73/3,632.10 = 1,641.60/x
  3. Step 3: Cross multiply
    2,420.73x = 3,632.10 × 1,641.60
  4. Step 4: Simplify right side
    2,420.73x = 5,962,455.36
  5. Step 5: Solve for x
    x = 5,962,455.36/2,420.73
  6. Step 6: Final answer
    x = 2,463.08

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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.