Home / 2,090.98-3,138.94-1,652.57

Finding the Fourth Proportional to 2,090.98, 3,138.94 and 1,652.57

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Solution

The fourth proportional to 2,090.98, 3,138.94 and 1,652.57 is: 2,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.98 : 3,138.94 = 1,652.57 : x
  2. Step 2: Convert to fraction form
    2,090.98/3,138.94 = 1,652.57/x
  3. Step 3: Cross multiply
    2,090.98x = 3,138.94 × 1,652.57
  4. Step 4: Simplify right side
    2,090.98x = 5,187,316.22
  5. Step 5: Solve for x
    x = 5,187,316.22/2,090.98
  6. Step 6: Final answer
    x = 2,480.80

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1.5x scale

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.