Home / 3,219.79-4,444.01-1,894.26

Finding the Fourth Proportional to 3,219.79, 4,444.01 and 1,894.26

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Solution

The fourth proportional to 3,219.79, 4,444.01 and 1,894.26 is: 2,614.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.79 : 4,444.01 = 1,894.26 : x
  2. Step 2: Convert to fraction form
    3,219.79/4,444.01 = 1,894.26/x
  3. Step 3: Cross multiply
    3,219.79x = 4,444.01 × 1,894.26
  4. Step 4: Simplify right side
    3,219.79x = 8,418,115.12
  5. Step 5: Solve for x
    x = 8,418,115.12/3,219.79
  6. Step 6: Final answer
    x = 2,614.49

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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.