Home / 2,239.01-3,090.23-2,140.61

Finding the Fourth Proportional to 2,239.01, 3,090.23 and 2,140.61

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Solution

The fourth proportional to 2,239.01, 3,090.23 and 2,140.61 is: 2,954.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.01 : 3,090.23 = 2,140.61 : x
  2. Step 2: Convert to fraction form
    2,239.01/3,090.23 = 2,140.61/x
  3. Step 3: Cross multiply
    2,239.01x = 3,090.23 × 2,140.61
  4. Step 4: Simplify right side
    2,239.01x = 6,614,966.54
  5. Step 5: Solve for x
    x = 6,614,966.54/2,239.01
  6. Step 6: Final answer
    x = 2,954.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.