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Finding the Fourth Proportional to 3,242.89, 4,865.01 and 1,051.45

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Solution

The fourth proportional to 3,242.89, 4,865.01 and 1,051.45 is: 1,577.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.89 : 4,865.01 = 1,051.45 : x
  2. Step 2: Convert to fraction form
    3,242.89/4,865.01 = 1,051.45/x
  3. Step 3: Cross multiply
    3,242.89x = 4,865.01 × 1,051.45
  4. Step 4: Simplify right side
    3,242.89x = 5,115,314.76
  5. Step 5: Solve for x
    x = 5,115,314.76/3,242.89
  6. Step 6: Final answer
    x = 1,577.39

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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.