Home / 2,350.34-3,243.80-1,355.42

Finding the Fourth Proportional to 2,350.34, 3,243.80 and 1,355.42

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Solution

The fourth proportional to 2,350.34, 3,243.80 and 1,355.42 is: 1,870.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,350.34 : 3,243.80 = 1,355.42 : x
  2. Step 2: Convert to fraction form
    2,350.34/3,243.80 = 1,355.42/x
  3. Step 3: Cross multiply
    2,350.34x = 3,243.80 × 1,355.42
  4. Step 4: Simplify right side
    2,350.34x = 4,396,698.57
  5. Step 5: Solve for x
    x = 4,396,698.57/2,350.34
  6. Step 6: Final answer
    x = 1,870.67

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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.