Home / 3,499.01-5,246.87-1,307.15

Finding the Fourth Proportional to 3,499.01, 5,246.87 and 1,307.15

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Solution

The fourth proportional to 3,499.01, 5,246.87 and 1,307.15 is: 1,960.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499.01 : 5,246.87 = 1,307.15 : x
  2. Step 2: Convert to fraction form
    3,499.01/5,246.87 = 1,307.15/x
  3. Step 3: Cross multiply
    3,499.01x = 5,246.87 × 1,307.15
  4. Step 4: Simplify right side
    3,499.01x = 6,858,413.35
  5. Step 5: Solve for x
    x = 6,858,413.35/3,499.01
  6. Step 6: Final answer
    x = 1,960.10

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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.