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Finding the Fourth Proportional to 3,347.51, 5,021.15 and 1,266.89

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Solution

The fourth proportional to 3,347.51, 5,021.15 and 1,266.89 is: 1,900.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.51 : 5,021.15 = 1,266.89 : x
  2. Step 2: Convert to fraction form
    3,347.51/5,021.15 = 1,266.89/x
  3. Step 3: Cross multiply
    3,347.51x = 5,021.15 × 1,266.89
  4. Step 4: Simplify right side
    3,347.51x = 6,361,213.28
  5. Step 5: Solve for x
    x = 6,361,213.28/3,347.51
  6. Step 6: Final answer
    x = 1,900.28

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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.