Home / 2,749.49-4,124.46-900.56

Finding the Fourth Proportional to 2,749.49, 4,124.46 and 900.56

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Solution

The fourth proportional to 2,749.49, 4,124.46 and 900.56 is: 1,350.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.49 : 4,124.46 = 900.56 : x
  2. Step 2: Convert to fraction form
    2,749.49/4,124.46 = 900.56/x
  3. Step 3: Cross multiply
    2,749.49x = 4,124.46 × 900.56
  4. Step 4: Simplify right side
    2,749.49x = 3,714,318.19
  5. Step 5: Solve for x
    x = 3,714,318.19/2,749.49
  6. Step 6: Final answer
    x = 1,350.91

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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.