Home / 2,385.88-3,274.95-2,118.04

Finding the Fourth Proportional to 2,385.88, 3,274.95 and 2,118.04

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Solution

The fourth proportional to 2,385.88, 3,274.95 and 2,118.04 is: 2,907.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.88 : 3,274.95 = 2,118.04 : x
  2. Step 2: Convert to fraction form
    2,385.88/3,274.95 = 2,118.04/x
  3. Step 3: Cross multiply
    2,385.88x = 3,274.95 × 2,118.04
  4. Step 4: Simplify right side
    2,385.88x = 6,936,475.10
  5. Step 5: Solve for x
    x = 6,936,475.10/2,385.88
  6. Step 6: Final answer
    x = 2,907.30

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.