Home / 1,825.21-2,723.57-1,628.86

Finding the Fourth Proportional to 1,825.21, 2,723.57 and 1,628.86

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Solution

The fourth proportional to 1,825.21, 2,723.57 and 1,628.86 is: 2,430.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.21 : 2,723.57 = 1,628.86 : x
  2. Step 2: Convert to fraction form
    1,825.21/2,723.57 = 1,628.86/x
  3. Step 3: Cross multiply
    1,825.21x = 2,723.57 × 1,628.86
  4. Step 4: Simplify right side
    1,825.21x = 4,436,314.23
  5. Step 5: Solve for x
    x = 4,436,314.23/1,825.21
  6. Step 6: Final answer
    x = 2,430.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.