Home / 2,479.08-3,420.44-1,771.14

Finding the Fourth Proportional to 2,479.08, 3,420.44 and 1,771.14

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Solution

The fourth proportional to 2,479.08, 3,420.44 and 1,771.14 is: 2,443.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.08 : 3,420.44 = 1,771.14 : x
  2. Step 2: Convert to fraction form
    2,479.08/3,420.44 = 1,771.14/x
  3. Step 3: Cross multiply
    2,479.08x = 3,420.44 × 1,771.14
  4. Step 4: Simplify right side
    2,479.08x = 6,058,052.14
  5. Step 5: Solve for x
    x = 6,058,052.14/2,479.08
  6. Step 6: Final answer
    x = 2,443.67

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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.