Home / 3,511.06-5,253.62-2,888.98

Finding the Fourth Proportional to 3,511.06, 5,253.62 and 2,888.98

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Solution

The fourth proportional to 3,511.06, 5,253.62 and 2,888.98 is: 4,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.06 : 5,253.62 = 2,888.98 : x
  2. Step 2: Convert to fraction form
    3,511.06/5,253.62 = 2,888.98/x
  3. Step 3: Cross multiply
    3,511.06x = 5,253.62 × 2,888.98
  4. Step 4: Simplify right side
    3,511.06x = 15,177,603.11
  5. Step 5: Solve for x
    x = 15,177,603.11/3,511.06
  6. Step 6: Final answer
    x = 4,322.80

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1.5x scale

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.