Home / 2,934.23-4,051.72-2,142.05

Finding the Fourth Proportional to 2,934.23, 4,051.72 and 2,142.05

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Solution

The fourth proportional to 2,934.23, 4,051.72 and 2,142.05 is: 2,957.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.23 : 4,051.72 = 2,142.05 : x
  2. Step 2: Convert to fraction form
    2,934.23/4,051.72 = 2,142.05/x
  3. Step 3: Cross multiply
    2,934.23x = 4,051.72 × 2,142.05
  4. Step 4: Simplify right side
    2,934.23x = 8,678,969.24
  5. Step 5: Solve for x
    x = 8,678,969.24/2,934.23
  6. Step 6: Final answer
    x = 2,957.84

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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.