Home / 3,823.74-5,276.58-2,122.14

Finding the Fourth Proportional to 3,823.74, 5,276.58 and 2,122.14

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Solution

The fourth proportional to 3,823.74, 5,276.58 and 2,122.14 is: 2,928.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,823.74 : 5,276.58 = 2,122.14 : x
  2. Step 2: Convert to fraction form
    3,823.74/5,276.58 = 2,122.14/x
  3. Step 3: Cross multiply
    3,823.74x = 5,276.58 × 2,122.14
  4. Step 4: Simplify right side
    3,823.74x = 11,197,641.48
  5. Step 5: Solve for x
    x = 11,197,641.48/3,823.74
  6. Step 6: Final answer
    x = 2,928.45

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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.