Home / 2,090.94-3,132.36-1,971.06

Finding the Fourth Proportional to 2,090.94, 3,132.36 and 1,971.06

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Solution

The fourth proportional to 2,090.94, 3,132.36 and 1,971.06 is: 2,952.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.94 : 3,132.36 = 1,971.06 : x
  2. Step 2: Convert to fraction form
    2,090.94/3,132.36 = 1,971.06/x
  3. Step 3: Cross multiply
    2,090.94x = 3,132.36 × 1,971.06
  4. Step 4: Simplify right side
    2,090.94x = 6,174,069.50
  5. Step 5: Solve for x
    x = 6,174,069.50/2,090.94
  6. Step 6: Final answer
    x = 2,952.77

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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.