Home / 2,699.12-4,042.31-2,110.00

Finding the Fourth Proportional to 2,699.12, 4,042.31 and 2,110.00

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Solution

The fourth proportional to 2,699.12, 4,042.31 and 2,110.00 is: 3,160.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699.12 : 4,042.31 = 2,110.00 : x
  2. Step 2: Convert to fraction form
    2,699.12/4,042.31 = 2,110.00/x
  3. Step 3: Cross multiply
    2,699.12x = 4,042.31 × 2,110.00
  4. Step 4: Simplify right side
    2,699.12x = 8,529,261.02
  5. Step 5: Solve for x
    x = 8,529,261.02/2,699.12
  6. Step 6: Final answer
    x = 3,160.01

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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.