Home / 3,826.51-5,281.91-2,254.50

Finding the Fourth Proportional to 3,826.51, 5,281.91 and 2,254.50

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Solution

The fourth proportional to 3,826.51, 5,281.91 and 2,254.50 is: 3,111.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.51 : 5,281.91 = 2,254.50 : x
  2. Step 2: Convert to fraction form
    3,826.51/5,281.91 = 2,254.50/x
  3. Step 3: Cross multiply
    3,826.51x = 5,281.91 × 2,254.50
  4. Step 4: Simplify right side
    3,826.51x = 11,908,063.28
  5. Step 5: Solve for x
    x = 11,908,063.28/3,826.51
  6. Step 6: Final answer
    x = 3,111.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.