Home / 3,804.74-5,250.58-2,126.21

Finding the Fourth Proportional to 3,804.74, 5,250.58 and 2,126.21

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Solution

The fourth proportional to 3,804.74, 5,250.58 and 2,126.21 is: 2,934.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804.74 : 5,250.58 = 2,126.21 : x
  2. Step 2: Convert to fraction form
    3,804.74/5,250.58 = 2,126.21/x
  3. Step 3: Cross multiply
    3,804.74x = 5,250.58 × 2,126.21
  4. Step 4: Simplify right side
    3,804.74x = 11,163,835.70
  5. Step 5: Solve for x
    x = 11,163,835.70/3,804.74
  6. Step 6: Final answer
    x = 2,934.19

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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.