Home / 3,470.16-4,788.65-2,143.98

Finding the Fourth Proportional to 3,470.16, 4,788.65 and 2,143.98

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Solution

The fourth proportional to 3,470.16, 4,788.65 and 2,143.98 is: 2,958.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.16 : 4,788.65 = 2,143.98 : x
  2. Step 2: Convert to fraction form
    3,470.16/4,788.65 = 2,143.98/x
  3. Step 3: Cross multiply
    3,470.16x = 4,788.65 × 2,143.98
  4. Step 4: Simplify right side
    3,470.16x = 10,266,759.11
  5. Step 5: Solve for x
    x = 10,266,759.11/3,470.16
  6. Step 6: Final answer
    x = 2,958.58

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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.