Home / 2,042.13-3,046.53-1,985.64

Finding the Fourth Proportional to 2,042.13, 3,046.53 and 1,985.64

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Solution

The fourth proportional to 2,042.13, 3,046.53 and 1,985.64 is: 2,962.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.13 : 3,046.53 = 1,985.64 : x
  2. Step 2: Convert to fraction form
    2,042.13/3,046.53 = 1,985.64/x
  3. Step 3: Cross multiply
    2,042.13x = 3,046.53 × 1,985.64
  4. Step 4: Simplify right side
    2,042.13x = 6,049,311.83
  5. Step 5: Solve for x
    x = 6,049,311.83/2,042.13
  6. Step 6: Final answer
    x = 2,962.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.