Home / 2,262.53-3,122.29-1,378.33

Finding the Fourth Proportional to 2,262.53, 3,122.29 and 1,378.33

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Solution

The fourth proportional to 2,262.53, 3,122.29 and 1,378.33 is: 1,902.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.53 : 3,122.29 = 1,378.33 : x
  2. Step 2: Convert to fraction form
    2,262.53/3,122.29 = 1,378.33/x
  3. Step 3: Cross multiply
    2,262.53x = 3,122.29 × 1,378.33
  4. Step 4: Simplify right side
    2,262.53x = 4,303,558.77
  5. Step 5: Solve for x
    x = 4,303,558.77/2,262.53
  6. Step 6: Final answer
    x = 1,902.10

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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.