Home / 2,934.90-4,039.38-2,574

Finding the Fourth Proportional to 2,934.90, 4,039.38 and 2,574

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Solution

The fourth proportional to 2,934.90, 4,039.38 and 2,574 is: 3,542.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.90 : 4,039.38 = 2,574 : x
  2. Step 2: Convert to fraction form
    2,934.90/4,039.38 = 2,574/x
  3. Step 3: Cross multiply
    2,934.90x = 4,039.38 × 2,574
  4. Step 4: Simplify right side
    2,934.90x = 10,397,364.12
  5. Step 5: Solve for x
    x = 10,397,364.12/2,934.90
  6. Step 6: Final answer
    x = 3,542.66

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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.