Home / 2,439.09-3,652.80-1,395.93

Finding the Fourth Proportional to 2,439.09, 3,652.80 and 1,395.93

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Solution

The fourth proportional to 2,439.09, 3,652.80 and 1,395.93 is: 2,090.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.09 : 3,652.80 = 1,395.93 : x
  2. Step 2: Convert to fraction form
    2,439.09/3,652.80 = 1,395.93/x
  3. Step 3: Cross multiply
    2,439.09x = 3,652.80 × 1,395.93
  4. Step 4: Simplify right side
    2,439.09x = 5,099,053.10
  5. Step 5: Solve for x
    x = 5,099,053.10/2,439.09
  6. Step 6: Final answer
    x = 2,090.56

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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.