Home / 2,137.32-2,949.48-1,352.01

Finding the Fourth Proportional to 2,137.32, 2,949.48 and 1,352.01

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Solution

The fourth proportional to 2,137.32, 2,949.48 and 1,352.01 is: 1,865.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.32 : 2,949.48 = 1,352.01 : x
  2. Step 2: Convert to fraction form
    2,137.32/2,949.48 = 1,352.01/x
  3. Step 3: Cross multiply
    2,137.32x = 2,949.48 × 1,352.01
  4. Step 4: Simplify right side
    2,137.32x = 3,987,726.45
  5. Step 5: Solve for x
    x = 3,987,726.45/2,137.32
  6. Step 6: Final answer
    x = 1,865.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.