Home / 2,684.48-3,704.78-1,622.51

Finding the Fourth Proportional to 2,684.48, 3,704.78 and 1,622.51

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Solution

The fourth proportional to 2,684.48, 3,704.78 and 1,622.51 is: 2,239.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.48 : 3,704.78 = 1,622.51 : x
  2. Step 2: Convert to fraction form
    2,684.48/3,704.78 = 1,622.51/x
  3. Step 3: Cross multiply
    2,684.48x = 3,704.78 × 1,622.51
  4. Step 4: Simplify right side
    2,684.48x = 6,011,042.60
  5. Step 5: Solve for x
    x = 6,011,042.60/2,684.48
  6. Step 6: Final answer
    x = 2,239.18

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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.