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Finding the Fourth Proportional to 2,245.77, 3,370.10 and 1,090.89

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Solution

The fourth proportional to 2,245.77, 3,370.10 and 1,090.89 is: 1,637.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.77 : 3,370.10 = 1,090.89 : x
  2. Step 2: Convert to fraction form
    2,245.77/3,370.10 = 1,090.89/x
  3. Step 3: Cross multiply
    2,245.77x = 3,370.10 × 1,090.89
  4. Step 4: Simplify right side
    2,245.77x = 3,676,402.93
  5. Step 5: Solve for x
    x = 3,676,402.93/2,245.77
  6. Step 6: Final answer
    x = 1,637.03

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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.