Home / 3,445.07-5,168.95-1,983.42

Finding the Fourth Proportional to 3,445.07, 5,168.95 and 1,983.42

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Solution

The fourth proportional to 3,445.07, 5,168.95 and 1,983.42 is: 2,975.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.07 : 5,168.95 = 1,983.42 : x
  2. Step 2: Convert to fraction form
    3,445.07/5,168.95 = 1,983.42/x
  3. Step 3: Cross multiply
    3,445.07x = 5,168.95 × 1,983.42
  4. Step 4: Simplify right side
    3,445.07x = 10,252,193.85
  5. Step 5: Solve for x
    x = 10,252,193.85/3,445.07
  6. Step 6: Final answer
    x = 2,975.91

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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.