Home / 3,438.28-4,744.80-1,946.04

Finding the Fourth Proportional to 3,438.28, 4,744.80 and 1,946.04

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Solution

The fourth proportional to 3,438.28, 4,744.80 and 1,946.04 is: 2,685.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.28 : 4,744.80 = 1,946.04 : x
  2. Step 2: Convert to fraction form
    3,438.28/4,744.80 = 1,946.04/x
  3. Step 3: Cross multiply
    3,438.28x = 4,744.80 × 1,946.04
  4. Step 4: Simplify right side
    3,438.28x = 9,233,570.59
  5. Step 5: Solve for x
    x = 9,233,570.59/3,438.28
  6. Step 6: Final answer
    x = 2,685.52

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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.