Home / 2,672.18-4,004.12-1,852.05

Finding the Fourth Proportional to 2,672.18, 4,004.12 and 1,852.05

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Solution

The fourth proportional to 2,672.18, 4,004.12 and 1,852.05 is: 2,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.18 : 4,004.12 = 1,852.05 : x
  2. Step 2: Convert to fraction form
    2,672.18/4,004.12 = 1,852.05/x
  3. Step 3: Cross multiply
    2,672.18x = 4,004.12 × 1,852.05
  4. Step 4: Simplify right side
    2,672.18x = 7,415,821.19
  5. Step 5: Solve for x
    x = 7,415,821.19/2,672.18
  6. Step 6: Final answer
    x = 2,775.20

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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.