Home / 3,051.23-4,213.64-2,109.41

Finding the Fourth Proportional to 3,051.23, 4,213.64 and 2,109.41

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Solution

The fourth proportional to 3,051.23, 4,213.64 and 2,109.41 is: 2,913.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.23 : 4,213.64 = 2,109.41 : x
  2. Step 2: Convert to fraction form
    3,051.23/4,213.64 = 2,109.41/x
  3. Step 3: Cross multiply
    3,051.23x = 4,213.64 × 2,109.41
  4. Step 4: Simplify right side
    3,051.23x = 8,888,294.35
  5. Step 5: Solve for x
    x = 8,888,294.35/3,051.23
  6. Step 6: Final answer
    x = 2,913.02

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1.5x scale

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.