Home / 1,544.44-2,129.06-1,019.56

Finding the Fourth Proportional to 1,544.44, 2,129.06 and 1,019.56

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Solution

The fourth proportional to 1,544.44, 2,129.06 and 1,019.56 is: 1,405.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.44 : 2,129.06 = 1,019.56 : x
  2. Step 2: Convert to fraction form
    1,544.44/2,129.06 = 1,019.56/x
  3. Step 3: Cross multiply
    1,544.44x = 2,129.06 × 1,019.56
  4. Step 4: Simplify right side
    1,544.44x = 2,170,704.41
  5. Step 5: Solve for x
    x = 2,170,704.41/1,544.44
  6. Step 6: Final answer
    x = 1,405.50

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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.