Home / 3,449.20-4,759.89-1,877.30

Finding the Fourth Proportional to 3,449.20, 4,759.89 and 1,877.30

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Solution

The fourth proportional to 3,449.20, 4,759.89 and 1,877.30 is: 2,590.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.20 : 4,759.89 = 1,877.30 : x
  2. Step 2: Convert to fraction form
    3,449.20/4,759.89 = 1,877.30/x
  3. Step 3: Cross multiply
    3,449.20x = 4,759.89 × 1,877.30
  4. Step 4: Simplify right side
    3,449.20x = 8,935,741.50
  5. Step 5: Solve for x
    x = 8,935,741.50/3,449.20
  6. Step 6: Final answer
    x = 2,590.67

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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.