Home / 3,555.90-5,334.93-1,608.12

Finding the Fourth Proportional to 3,555.90, 5,334.93 and 1,608.12

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Solution

The fourth proportional to 3,555.90, 5,334.93 and 1,608.12 is: 2,412.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.90 : 5,334.93 = 1,608.12 : x
  2. Step 2: Convert to fraction form
    3,555.90/5,334.93 = 1,608.12/x
  3. Step 3: Cross multiply
    3,555.90x = 5,334.93 × 1,608.12
  4. Step 4: Simplify right side
    3,555.90x = 8,579,207.63
  5. Step 5: Solve for x
    x = 8,579,207.63/3,555.90
  6. Step 6: Final answer
    x = 2,412.67

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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.