Home / 2,948.53-4,069.03-1,622.30

Finding the Fourth Proportional to 2,948.53, 4,069.03 and 1,622.30

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Solution

The fourth proportional to 2,948.53, 4,069.03 and 1,622.30 is: 2,238.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.53 : 4,069.03 = 1,622.30 : x
  2. Step 2: Convert to fraction form
    2,948.53/4,069.03 = 1,622.30/x
  3. Step 3: Cross multiply
    2,948.53x = 4,069.03 × 1,622.30
  4. Step 4: Simplify right side
    2,948.53x = 6,601,187.37
  5. Step 5: Solve for x
    x = 6,601,187.37/2,948.53
  6. Step 6: Final answer
    x = 2,238.81

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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.