Home / 2,554.08-3,830.76-1,255.20

Finding the Fourth Proportional to 2,554.08, 3,830.76 and 1,255.20

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Solution

The fourth proportional to 2,554.08, 3,830.76 and 1,255.20 is: 1,882.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,554.08 : 3,830.76 = 1,255.20 : x
  2. Step 2: Convert to fraction form
    2,554.08/3,830.76 = 1,255.20/x
  3. Step 3: Cross multiply
    2,554.08x = 3,830.76 × 1,255.20
  4. Step 4: Simplify right side
    2,554.08x = 4,808,369.95
  5. Step 5: Solve for x
    x = 4,808,369.95/2,554.08
  6. Step 6: Final answer
    x = 1,882.62

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1.5x scale

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.