Home / 3,823.09-5,276.07-2,145.04

Finding the Fourth Proportional to 3,823.09, 5,276.07 and 2,145.04

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Solution

The fourth proportional to 3,823.09, 5,276.07 and 2,145.04 is: 2,960.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,823.09 : 5,276.07 = 2,145.04 : x
  2. Step 2: Convert to fraction form
    3,823.09/5,276.07 = 2,145.04/x
  3. Step 3: Cross multiply
    3,823.09x = 5,276.07 × 2,145.04
  4. Step 4: Simplify right side
    3,823.09x = 11,317,368.00
  5. Step 5: Solve for x
    x = 11,317,368.00/3,823.09
  6. Step 6: Final answer
    x = 2,960.27

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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.