Home / 3,511.08-5,267.34-1,319.94

Finding the Fourth Proportional to 3,511.08, 5,267.34 and 1,319.94

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Solution

The fourth proportional to 3,511.08, 5,267.34 and 1,319.94 is: 1,980.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.08 : 5,267.34 = 1,319.94 : x
  2. Step 2: Convert to fraction form
    3,511.08/5,267.34 = 1,319.94/x
  3. Step 3: Cross multiply
    3,511.08x = 5,267.34 × 1,319.94
  4. Step 4: Simplify right side
    3,511.08x = 6,952,572.76
  5. Step 5: Solve for x
    x = 6,952,572.76/3,511.08
  6. Step 6: Final answer
    x = 1,980.18

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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.