Home / 3,511.07-5,263.95-2,124.11

Finding the Fourth Proportional to 3,511.07, 5,263.95 and 2,124.11

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Solution

The fourth proportional to 3,511.07, 5,263.95 and 2,124.11 is: 3,184.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.07 : 5,263.95 = 2,124.11 : x
  2. Step 2: Convert to fraction form
    3,511.07/5,263.95 = 2,124.11/x
  3. Step 3: Cross multiply
    3,511.07x = 5,263.95 × 2,124.11
  4. Step 4: Simplify right side
    3,511.07x = 11,181,182.51
  5. Step 5: Solve for x
    x = 11,181,182.51/3,511.07
  6. Step 6: Final answer
    x = 3,184.56

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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.