Home / 3,810.56-5,260.64-2,238.64

Finding the Fourth Proportional to 3,810.56, 5,260.64 and 2,238.64

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Solution

The fourth proportional to 3,810.56, 5,260.64 and 2,238.64 is: 3,090.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.56 : 5,260.64 = 2,238.64 : x
  2. Step 2: Convert to fraction form
    3,810.56/5,260.64 = 2,238.64/x
  3. Step 3: Cross multiply
    3,810.56x = 5,260.64 × 2,238.64
  4. Step 4: Simplify right side
    3,810.56x = 11,776,679.13
  5. Step 5: Solve for x
    x = 11,776,679.13/3,810.56
  6. Step 6: Final answer
    x = 3,090.54

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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.