Home / 3,048.53-4,206.60-1,722.20

Finding the Fourth Proportional to 3,048.53, 4,206.60 and 1,722.20

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Solution

The fourth proportional to 3,048.53, 4,206.60 and 1,722.20 is: 2,376.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.53 : 4,206.60 = 1,722.20 : x
  2. Step 2: Convert to fraction form
    3,048.53/4,206.60 = 1,722.20/x
  3. Step 3: Cross multiply
    3,048.53x = 4,206.60 × 1,722.20
  4. Step 4: Simplify right side
    3,048.53x = 7,244,585.49
  5. Step 5: Solve for x
    x = 7,244,585.49/3,048.53
  6. Step 6: Final answer
    x = 2,376.42

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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.