Home / 2,548.16-3,819.95-1,621.11

Finding the Fourth Proportional to 2,548.16, 3,819.95 and 1,621.11

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Solution

The fourth proportional to 2,548.16, 3,819.95 and 1,621.11 is: 2,430.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548.16 : 3,819.95 = 1,621.11 : x
  2. Step 2: Convert to fraction form
    2,548.16/3,819.95 = 1,621.11/x
  3. Step 3: Cross multiply
    2,548.16x = 3,819.95 × 1,621.11
  4. Step 4: Simplify right side
    2,548.16x = 6,192,559.14
  5. Step 5: Solve for x
    x = 6,192,559.14/2,548.16
  6. Step 6: Final answer
    x = 2,430.21

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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.