Home / 2,219.00-3,040.02-2,135.91

Finding the Fourth Proportional to 2,219.00, 3,040.02 and 2,135.91

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Solution

The fourth proportional to 2,219.00, 3,040.02 and 2,135.91 is: 2,926.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.00 : 3,040.02 = 2,135.91 : x
  2. Step 2: Convert to fraction form
    2,219.00/3,040.02 = 2,135.91/x
  3. Step 3: Cross multiply
    2,219.00x = 3,040.02 × 2,135.91
  4. Step 4: Simplify right side
    2,219.00x = 6,493,209.12
  5. Step 5: Solve for x
    x = 6,493,209.12/2,219.00
  6. Step 6: Final answer
    x = 2,926.18

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.