Home / 2,069.90-3,083.10-1,975.10

Finding the Fourth Proportional to 2,069.90, 3,083.10 and 1,975.10

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Solution

The fourth proportional to 2,069.90, 3,083.10 and 1,975.10 is: 2,941.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069.90 : 3,083.10 = 1,975.10 : x
  2. Step 2: Convert to fraction form
    2,069.90/3,083.10 = 1,975.10/x
  3. Step 3: Cross multiply
    2,069.90x = 3,083.10 × 1,975.10
  4. Step 4: Simplify right side
    2,069.90x = 6,089,420.93
  5. Step 5: Solve for x
    x = 6,089,420.93/2,069.90
  6. Step 6: Final answer
    x = 2,941.89

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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.