Home / 3,749.44-5,624.31-1,409.20

Finding the Fourth Proportional to 3,749.44, 5,624.31 and 1,409.20

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Solution

The fourth proportional to 3,749.44, 5,624.31 and 1,409.20 is: 2,113.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.44 : 5,624.31 = 1,409.20 : x
  2. Step 2: Convert to fraction form
    3,749.44/5,624.31 = 1,409.20/x
  3. Step 3: Cross multiply
    3,749.44x = 5,624.31 × 1,409.20
  4. Step 4: Simplify right side
    3,749.44x = 7,925,777.65
  5. Step 5: Solve for x
    x = 7,925,777.65/3,749.44
  6. Step 6: Final answer
    x = 2,113.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.