Home / 2,791.24-4,184.04-1,803.40

Finding the Fourth Proportional to 2,791.24, 4,184.04 and 1,803.40

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Solution

The fourth proportional to 2,791.24, 4,184.04 and 1,803.40 is: 2,703.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.24 : 4,184.04 = 1,803.40 : x
  2. Step 2: Convert to fraction form
    2,791.24/4,184.04 = 1,803.40/x
  3. Step 3: Cross multiply
    2,791.24x = 4,184.04 × 1,803.40
  4. Step 4: Simplify right side
    2,791.24x = 7,545,497.74
  5. Step 5: Solve for x
    x = 7,545,497.74/2,791.24
  6. Step 6: Final answer
    x = 2,703.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.