Home / 2,805.58-4,212.09-2,397.34

Finding the Fourth Proportional to 2,805.58, 4,212.09 and 2,397.34

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Solution

The fourth proportional to 2,805.58, 4,212.09 and 2,397.34 is: 3,599.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805.58 : 4,212.09 = 2,397.34 : x
  2. Step 2: Convert to fraction form
    2,805.58/4,212.09 = 2,397.34/x
  3. Step 3: Cross multiply
    2,805.58x = 4,212.09 × 2,397.34
  4. Step 4: Simplify right side
    2,805.58x = 10,097,811.84
  5. Step 5: Solve for x
    x = 10,097,811.84/2,805.58
  6. Step 6: Final answer
    x = 3,599.19

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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.