Home / 3,360.32-5,040.89-1,412.27

Finding the Fourth Proportional to 3,360.32, 5,040.89 and 1,412.27

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Solution

The fourth proportional to 3,360.32, 5,040.89 and 1,412.27 is: 2,118.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.32 : 5,040.89 = 1,412.27 : x
  2. Step 2: Convert to fraction form
    3,360.32/5,040.89 = 1,412.27/x
  3. Step 3: Cross multiply
    3,360.32x = 5,040.89 × 1,412.27
  4. Step 4: Simplify right side
    3,360.32x = 7,119,090.66
  5. Step 5: Solve for x
    x = 7,119,090.66/3,360.32
  6. Step 6: Final answer
    x = 2,118.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.