Home / 2,070.85-3,105.63-1,741.90

Finding the Fourth Proportional to 2,070.85, 3,105.63 and 1,741.90

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Solution

The fourth proportional to 2,070.85, 3,105.63 and 1,741.90 is: 2,612.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.85 : 3,105.63 = 1,741.90 : x
  2. Step 2: Convert to fraction form
    2,070.85/3,105.63 = 1,741.90/x
  3. Step 3: Cross multiply
    2,070.85x = 3,105.63 × 1,741.90
  4. Step 4: Simplify right side
    2,070.85x = 5,409,696.90
  5. Step 5: Solve for x
    x = 5,409,696.90/2,070.85
  6. Step 6: Final answer
    x = 2,612.31

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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.