Home / 2,150.08-3,218.64-1,573.36

Finding the Fourth Proportional to 2,150.08, 3,218.64 and 1,573.36

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Solution

The fourth proportional to 2,150.08, 3,218.64 and 1,573.36 is: 2,355.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150.08 : 3,218.64 = 1,573.36 : x
  2. Step 2: Convert to fraction form
    2,150.08/3,218.64 = 1,573.36/x
  3. Step 3: Cross multiply
    2,150.08x = 3,218.64 × 1,573.36
  4. Step 4: Simplify right side
    2,150.08x = 5,064,079.43
  5. Step 5: Solve for x
    x = 5,064,079.43/2,150.08
  6. Step 6: Final answer
    x = 2,355.30

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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.