Home / 2,716.85-4,070.04-1,622.09

Finding the Fourth Proportional to 2,716.85, 4,070.04 and 1,622.09

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Solution

The fourth proportional to 2,716.85, 4,070.04 and 1,622.09 is: 2,430.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.85 : 4,070.04 = 1,622.09 : x
  2. Step 2: Convert to fraction form
    2,716.85/4,070.04 = 1,622.09/x
  3. Step 3: Cross multiply
    2,716.85x = 4,070.04 × 1,622.09
  4. Step 4: Simplify right side
    2,716.85x = 6,601,963.07
  5. Step 5: Solve for x
    x = 6,601,963.07/2,716.85
  6. Step 6: Final answer
    x = 2,430.01

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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.