Home / 2,849.72-4,271.09-1,618.16

Finding the Fourth Proportional to 2,849.72, 4,271.09 and 1,618.16

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Solution

The fourth proportional to 2,849.72, 4,271.09 and 1,618.16 is: 2,425.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.72 : 4,271.09 = 1,618.16 : x
  2. Step 2: Convert to fraction form
    2,849.72/4,271.09 = 1,618.16/x
  3. Step 3: Cross multiply
    2,849.72x = 4,271.09 × 1,618.16
  4. Step 4: Simplify right side
    2,849.72x = 6,911,277.55
  5. Step 5: Solve for x
    x = 6,911,277.55/2,849.72
  6. Step 6: Final answer
    x = 2,425.25

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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.