Home / 1,813.31-2,720.87-1,352.01

Finding the Fourth Proportional to 1,813.31, 2,720.87 and 1,352.01

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Solution

The fourth proportional to 1,813.31, 2,720.87 and 1,352.01 is: 2,028.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.31 : 2,720.87 = 1,352.01 : x
  2. Step 2: Convert to fraction form
    1,813.31/2,720.87 = 1,352.01/x
  3. Step 3: Cross multiply
    1,813.31x = 2,720.87 × 1,352.01
  4. Step 4: Simplify right side
    1,813.31x = 3,678,643.45
  5. Step 5: Solve for x
    x = 3,678,643.45/1,813.31
  6. Step 6: Final answer
    x = 2,028.69

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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.