Home / 2,652.26-3,973.83-1,420.25

Finding the Fourth Proportional to 2,652.26, 3,973.83 and 1,420.25

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Solution

The fourth proportional to 2,652.26, 3,973.83 and 1,420.25 is: 2,127.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652.26 : 3,973.83 = 1,420.25 : x
  2. Step 2: Convert to fraction form
    2,652.26/3,973.83 = 1,420.25/x
  3. Step 3: Cross multiply
    2,652.26x = 3,973.83 × 1,420.25
  4. Step 4: Simplify right side
    2,652.26x = 5,643,832.06
  5. Step 5: Solve for x
    x = 5,643,832.06/2,652.26
  6. Step 6: Final answer
    x = 2,127.93

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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.