Home / 3,119.34-4,676.57-1,558.58

Finding the Fourth Proportional to 3,119.34, 4,676.57 and 1,558.58

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Solution

The fourth proportional to 3,119.34, 4,676.57 and 1,558.58 is: 2,336.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.34 : 4,676.57 = 1,558.58 : x
  2. Step 2: Convert to fraction form
    3,119.34/4,676.57 = 1,558.58/x
  3. Step 3: Cross multiply
    3,119.34x = 4,676.57 × 1,558.58
  4. Step 4: Simplify right side
    3,119.34x = 7,288,783.14
  5. Step 5: Solve for x
    x = 7,288,783.14/3,119.34
  6. Step 6: Final answer
    x = 2,336.64

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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.