Home / 3,470.67-4,788.18-2,211.50

Finding the Fourth Proportional to 3,470.67, 4,788.18 and 2,211.50

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Solution

The fourth proportional to 3,470.67, 4,788.18 and 2,211.50 is: 3,051.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.67 : 4,788.18 = 2,211.50 : x
  2. Step 2: Convert to fraction form
    3,470.67/4,788.18 = 2,211.50/x
  3. Step 3: Cross multiply
    3,470.67x = 4,788.18 × 2,211.50
  4. Step 4: Simplify right side
    3,470.67x = 10,589,054.08
  5. Step 5: Solve for x
    x = 10,589,054.08/3,470.67
  6. Step 6: Final answer
    x = 3,051.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.