Home / 2,090.91-2,885.97-1,207.23

Finding the Fourth Proportional to 2,090.91, 2,885.97 and 1,207.23

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Solution

The fourth proportional to 2,090.91, 2,885.97 and 1,207.23 is: 1,666.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.91 : 2,885.97 = 1,207.23 : x
  2. Step 2: Convert to fraction form
    2,090.91/2,885.97 = 1,207.23/x
  3. Step 3: Cross multiply
    2,090.91x = 2,885.97 × 1,207.23
  4. Step 4: Simplify right side
    2,090.91x = 3,484,029.56
  5. Step 5: Solve for x
    x = 3,484,029.56/2,090.91
  6. Step 6: Final answer
    x = 1,666.27

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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.