Home / 2,290.26-3,160.56-1,346.67

Finding the Fourth Proportional to 2,290.26, 3,160.56 and 1,346.67

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Solution

The fourth proportional to 2,290.26, 3,160.56 and 1,346.67 is: 1,858.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.26 : 3,160.56 = 1,346.67 : x
  2. Step 2: Convert to fraction form
    2,290.26/3,160.56 = 1,346.67/x
  3. Step 3: Cross multiply
    2,290.26x = 3,160.56 × 1,346.67
  4. Step 4: Simplify right side
    2,290.26x = 4,256,231.34
  5. Step 5: Solve for x
    x = 4,256,231.34/2,290.26
  6. Step 6: Final answer
    x = 1,858.41

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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.