Home / 3,810.21-5,258.13-2,238.33

Finding the Fourth Proportional to 3,810.21, 5,258.13 and 2,238.33

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Solution

The fourth proportional to 3,810.21, 5,258.13 and 2,238.33 is: 3,088.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.21 : 5,258.13 = 2,238.33 : x
  2. Step 2: Convert to fraction form
    3,810.21/5,258.13 = 2,238.33/x
  3. Step 3: Cross multiply
    3,810.21x = 5,258.13 × 2,238.33
  4. Step 4: Simplify right side
    3,810.21x = 11,769,430.12
  5. Step 5: Solve for x
    x = 11,769,430.12/3,810.21
  6. Step 6: Final answer
    x = 3,088.92

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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.