Home / 3,182.55-4,392.14-1,838.63

Finding the Fourth Proportional to 3,182.55, 4,392.14 and 1,838.63

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Solution

The fourth proportional to 3,182.55, 4,392.14 and 1,838.63 is: 2,537.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.55 : 4,392.14 = 1,838.63 : x
  2. Step 2: Convert to fraction form
    3,182.55/4,392.14 = 1,838.63/x
  3. Step 3: Cross multiply
    3,182.55x = 4,392.14 × 1,838.63
  4. Step 4: Simplify right side
    3,182.55x = 8,075,489.21
  5. Step 5: Solve for x
    x = 8,075,489.21/3,182.55
  6. Step 6: Final answer
    x = 2,537.43

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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.