Home / 2,199.48-3,294.01-1,909.34

Finding the Fourth Proportional to 2,199.48, 3,294.01 and 1,909.34

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Solution

The fourth proportional to 2,199.48, 3,294.01 and 1,909.34 is: 2,859.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.48 : 3,294.01 = 1,909.34 : x
  2. Step 2: Convert to fraction form
    2,199.48/3,294.01 = 1,909.34/x
  3. Step 3: Cross multiply
    2,199.48x = 3,294.01 × 1,909.34
  4. Step 4: Simplify right side
    2,199.48x = 6,289,385.05
  5. Step 5: Solve for x
    x = 6,289,385.05/2,199.48
  6. Step 6: Final answer
    x = 2,859.49

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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.