Home / 3,438.45-4,744.96-1,946.43

Finding the Fourth Proportional to 3,438.45, 4,744.96 and 1,946.43

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Solution

The fourth proportional to 3,438.45, 4,744.96 and 1,946.43 is: 2,686.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.45 : 4,744.96 = 1,946.43 : x
  2. Step 2: Convert to fraction form
    3,438.45/4,744.96 = 1,946.43/x
  3. Step 3: Cross multiply
    3,438.45x = 4,744.96 × 1,946.43
  4. Step 4: Simplify right side
    3,438.45x = 9,235,708.77
  5. Step 5: Solve for x
    x = 9,235,708.77/3,438.45
  6. Step 6: Final answer
    x = 2,686.01

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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.