Home / 2,559.40-3,839.08-2,211.67

Finding the Fourth Proportional to 2,559.40, 3,839.08 and 2,211.67

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Solution

The fourth proportional to 2,559.40, 3,839.08 and 2,211.67 is: 3,317.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559.40 : 3,839.08 = 2,211.67 : x
  2. Step 2: Convert to fraction form
    2,559.40/3,839.08 = 2,211.67/x
  3. Step 3: Cross multiply
    2,559.40x = 3,839.08 × 2,211.67
  4. Step 4: Simplify right side
    2,559.40x = 8,490,767.01
  5. Step 5: Solve for x
    x = 8,490,767.01/2,559.40
  6. Step 6: Final answer
    x = 3,317.49

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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.