Home / 2,109.02-3,166.77-2,070.14

Finding the Fourth Proportional to 2,109.02, 3,166.77 and 2,070.14

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Solution

The fourth proportional to 2,109.02, 3,166.77 and 2,070.14 is: 3,108.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109.02 : 3,166.77 = 2,070.14 : x
  2. Step 2: Convert to fraction form
    2,109.02/3,166.77 = 2,070.14/x
  3. Step 3: Cross multiply
    2,109.02x = 3,166.77 × 2,070.14
  4. Step 4: Simplify right side
    2,109.02x = 6,555,657.25
  5. Step 5: Solve for x
    x = 6,555,657.25/2,109.02
  6. Step 6: Final answer
    x = 3,108.39

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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.