Home / 3,982.02-5,490-2,563.17

Finding the Fourth Proportional to 3,982.02, 5,490 and 2,563.17

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Solution

The fourth proportional to 3,982.02, 5,490 and 2,563.17 is: 3,533.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.02 : 5,490 = 2,563.17 : x
  2. Step 2: Convert to fraction form
    3,982.02/5,490 = 2,563.17/x
  3. Step 3: Cross multiply
    3,982.02x = 5,490 × 2,563.17
  4. Step 4: Simplify right side
    3,982.02x = 14,071,803.30
  5. Step 5: Solve for x
    x = 14,071,803.30/3,982.02
  6. Step 6: Final answer
    x = 3,533.84

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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.