Home / 2,684.04-3,704.88-1,622.40

Finding the Fourth Proportional to 2,684.04, 3,704.88 and 1,622.40

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Solution

The fourth proportional to 2,684.04, 3,704.88 and 1,622.40 is: 2,239.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.04 : 3,704.88 = 1,622.40 : x
  2. Step 2: Convert to fraction form
    2,684.04/3,704.88 = 1,622.40/x
  3. Step 3: Cross multiply
    2,684.04x = 3,704.88 × 1,622.40
  4. Step 4: Simplify right side
    2,684.04x = 6,010,797.31
  5. Step 5: Solve for x
    x = 6,010,797.31/2,684.04
  6. Step 6: Final answer
    x = 2,239.46

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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.