Home / 2,922.12-4,379.84-2,570.02

Finding the Fourth Proportional to 2,922.12, 4,379.84 and 2,570.02

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Solution

The fourth proportional to 2,922.12, 4,379.84 and 2,570.02 is: 3,852.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.12 : 4,379.84 = 2,570.02 : x
  2. Step 2: Convert to fraction form
    2,922.12/4,379.84 = 2,570.02/x
  3. Step 3: Cross multiply
    2,922.12x = 4,379.84 × 2,570.02
  4. Step 4: Simplify right side
    2,922.12x = 11,256,276.40
  5. Step 5: Solve for x
    x = 11,256,276.40/2,922.12
  6. Step 6: Final answer
    x = 3,852.09

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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.