Home / 2,230.08-3,074.31-1,564.87

Finding the Fourth Proportional to 2,230.08, 3,074.31 and 1,564.87

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Solution

The fourth proportional to 2,230.08, 3,074.31 and 1,564.87 is: 2,157.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.08 : 3,074.31 = 1,564.87 : x
  2. Step 2: Convert to fraction form
    2,230.08/3,074.31 = 1,564.87/x
  3. Step 3: Cross multiply
    2,230.08x = 3,074.31 × 1,564.87
  4. Step 4: Simplify right side
    2,230.08x = 4,810,887.67
  5. Step 5: Solve for x
    x = 4,810,887.67/2,230.08
  6. Step 6: Final answer
    x = 2,157.27

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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.