Home / 2,982.10-4,113.02-1,801.94

Finding the Fourth Proportional to 2,982.10, 4,113.02 and 1,801.94

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Solution

The fourth proportional to 2,982.10, 4,113.02 and 1,801.94 is: 2,485.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.10 : 4,113.02 = 1,801.94 : x
  2. Step 2: Convert to fraction form
    2,982.10/4,113.02 = 1,801.94/x
  3. Step 3: Cross multiply
    2,982.10x = 4,113.02 × 1,801.94
  4. Step 4: Simplify right side
    2,982.10x = 7,411,415.26
  5. Step 5: Solve for x
    x = 7,411,415.26/2,982.10
  6. Step 6: Final answer
    x = 2,485.30

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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.