Home / 2,238.95-3,358.49-1,069.07

Finding the Fourth Proportional to 2,238.95, 3,358.49 and 1,069.07

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Solution

The fourth proportional to 2,238.95, 3,358.49 and 1,069.07 is: 1,603.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.95 : 3,358.49 = 1,069.07 : x
  2. Step 2: Convert to fraction form
    2,238.95/3,358.49 = 1,069.07/x
  3. Step 3: Cross multiply
    2,238.95x = 3,358.49 × 1,069.07
  4. Step 4: Simplify right side
    2,238.95x = 3,590,460.90
  5. Step 5: Solve for x
    x = 3,590,460.90/2,238.95
  6. Step 6: Final answer
    x = 1,603.64

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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.