Home / 3,438.10-4,744.33-1,946.18

Finding the Fourth Proportional to 3,438.10, 4,744.33 and 1,946.18

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Solution

The fourth proportional to 3,438.10, 4,744.33 and 1,946.18 is: 2,685.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.10 : 4,744.33 = 1,946.18 : x
  2. Step 2: Convert to fraction form
    3,438.10/4,744.33 = 1,946.18/x
  3. Step 3: Cross multiply
    3,438.10x = 4,744.33 × 1,946.18
  4. Step 4: Simplify right side
    3,438.10x = 9,233,327.15
  5. Step 5: Solve for x
    x = 9,233,327.15/3,438.10
  6. Step 6: Final answer
    x = 2,685.59

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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.