Home / 3,449.21-4,759.88-1,877.31

Finding the Fourth Proportional to 3,449.21, 4,759.88 and 1,877.31

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Solution

The fourth proportional to 3,449.21, 4,759.88 and 1,877.31 is: 2,590.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.21 : 4,759.88 = 1,877.31 : x
  2. Step 2: Convert to fraction form
    3,449.21/4,759.88 = 1,877.31/x
  3. Step 3: Cross multiply
    3,449.21x = 4,759.88 × 1,877.31
  4. Step 4: Simplify right side
    3,449.21x = 8,935,760.94
  5. Step 5: Solve for x
    x = 8,935,760.94/3,449.21
  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.