Home / 3,460.77-5,188.20-1,269.12

Finding the Fourth Proportional to 3,460.77, 5,188.20 and 1,269.12

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Solution

The fourth proportional to 3,460.77, 5,188.20 and 1,269.12 is: 1,902.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.77 : 5,188.20 = 1,269.12 : x
  2. Step 2: Convert to fraction form
    3,460.77/5,188.20 = 1,269.12/x
  3. Step 3: Cross multiply
    3,460.77x = 5,188.20 × 1,269.12
  4. Step 4: Simplify right side
    3,460.77x = 6,584,448.38
  5. Step 5: Solve for x
    x = 6,584,448.38/3,460.77
  6. Step 6: Final answer
    x = 1,902.60

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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.