Home / 3,731.60-5,597.40-1,269.20

Finding the Fourth Proportional to 3,731.60, 5,597.40 and 1,269.20

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Solution

The fourth proportional to 3,731.60, 5,597.40 and 1,269.20 is: 1,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731.60 : 5,597.40 = 1,269.20 : x
  2. Step 2: Convert to fraction form
    3,731.60/5,597.40 = 1,269.20/x
  3. Step 3: Cross multiply
    3,731.60x = 5,597.40 × 1,269.20
  4. Step 4: Simplify right side
    3,731.60x = 7,104,220.08
  5. Step 5: Solve for x
    x = 7,104,220.08/3,731.60
  6. Step 6: Final answer
    x = 1,903.80

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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.