Home / 2,657.89-3,668.30-2,027.35

Finding the Fourth Proportional to 2,657.89, 3,668.30 and 2,027.35

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Solution

The fourth proportional to 2,657.89, 3,668.30 and 2,027.35 is: 2,798.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657.89 : 3,668.30 = 2,027.35 : x
  2. Step 2: Convert to fraction form
    2,657.89/3,668.30 = 2,027.35/x
  3. Step 3: Cross multiply
    2,657.89x = 3,668.30 × 2,027.35
  4. Step 4: Simplify right side
    2,657.89x = 7,436,928.01
  5. Step 5: Solve for x
    x = 7,436,928.01/2,657.89
  6. Step 6: Final answer
    x = 2,798.06

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1.5x scale

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.