Home / 3,756.88-5,184.59-2,078.32

Finding the Fourth Proportional to 3,756.88, 5,184.59 and 2,078.32

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Solution

The fourth proportional to 3,756.88, 5,184.59 and 2,078.32 is: 2,868.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.88 : 5,184.59 = 2,078.32 : x
  2. Step 2: Convert to fraction form
    3,756.88/5,184.59 = 2,078.32/x
  3. Step 3: Cross multiply
    3,756.88x = 5,184.59 × 2,078.32
  4. Step 4: Simplify right side
    3,756.88x = 10,775,226.70
  5. Step 5: Solve for x
    x = 10,775,226.70/3,756.88
  6. Step 6: Final answer
    x = 2,868.13

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1.5x scale

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.