Home / 2,948.81-4,418.35-2,170.40

Finding the Fourth Proportional to 2,948.81, 4,418.35 and 2,170.40

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Solution

The fourth proportional to 2,948.81, 4,418.35 and 2,170.40 is: 3,252.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.81 : 4,418.35 = 2,170.40 : x
  2. Step 2: Convert to fraction form
    2,948.81/4,418.35 = 2,170.40/x
  3. Step 3: Cross multiply
    2,948.81x = 4,418.35 × 2,170.40
  4. Step 4: Simplify right side
    2,948.81x = 9,589,559.32
  5. Step 5: Solve for x
    x = 9,589,559.32/2,948.81
  6. Step 6: Final answer
    x = 3,252.02

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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.