Home / 3,539.92-5,315.36-1,899.67

Finding the Fourth Proportional to 3,539.92, 5,315.36 and 1,899.67

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Solution

The fourth proportional to 3,539.92, 5,315.36 and 1,899.67 is: 2,852.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.92 : 5,315.36 = 1,899.67 : x
  2. Step 2: Convert to fraction form
    3,539.92/5,315.36 = 1,899.67/x
  3. Step 3: Cross multiply
    3,539.92x = 5,315.36 × 1,899.67
  4. Step 4: Simplify right side
    3,539.92x = 10,097,393.86
  5. Step 5: Solve for x
    x = 10,097,393.86/3,539.92
  6. Step 6: Final answer
    x = 2,852.44

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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.