Home / 2,826.19-4,239.29-1,852.07

Finding the Fourth Proportional to 2,826.19, 4,239.29 and 1,852.07

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Solution

The fourth proportional to 2,826.19, 4,239.29 and 1,852.07 is: 2,778.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.19 : 4,239.29 = 1,852.07 : x
  2. Step 2: Convert to fraction form
    2,826.19/4,239.29 = 1,852.07/x
  3. Step 3: Cross multiply
    2,826.19x = 4,239.29 × 1,852.07
  4. Step 4: Simplify right side
    2,826.19x = 7,851,434.85
  5. Step 5: Solve for x
    x = 7,851,434.85/2,826.19
  6. Step 6: Final answer
    x = 2,778.10

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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.