Home / 3,804.80-5,250.58-2,126.40

Finding the Fourth Proportional to 3,804.80, 5,250.58 and 2,126.40

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Solution

The fourth proportional to 3,804.80, 5,250.58 and 2,126.40 is: 2,934.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804.80 : 5,250.58 = 2,126.40 : x
  2. Step 2: Convert to fraction form
    3,804.80/5,250.58 = 2,126.40/x
  3. Step 3: Cross multiply
    3,804.80x = 5,250.58 × 2,126.40
  4. Step 4: Simplify right side
    3,804.80x = 11,164,833.31
  5. Step 5: Solve for x
    x = 11,164,833.31/3,804.80
  6. Step 6: Final answer
    x = 2,934.41

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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.