Home / 3,817.51-5,729.41-1,628.71

Finding the Fourth Proportional to 3,817.51, 5,729.41 and 1,628.71

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Solution

The fourth proportional to 3,817.51, 5,729.41 and 1,628.71 is: 2,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.51 : 5,729.41 = 1,628.71 : x
  2. Step 2: Convert to fraction form
    3,817.51/5,729.41 = 1,628.71/x
  3. Step 3: Cross multiply
    3,817.51x = 5,729.41 × 1,628.71
  4. Step 4: Simplify right side
    3,817.51x = 9,331,539.22
  5. Step 5: Solve for x
    x = 9,331,539.22/3,817.51
  6. Step 6: Final answer
    x = 2,444.40

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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.