Home / 3,160.40-4,741.26-1,212.59

Finding the Fourth Proportional to 3,160.40, 4,741.26 and 1,212.59

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Solution

The fourth proportional to 3,160.40, 4,741.26 and 1,212.59 is: 1,819.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.40 : 4,741.26 = 1,212.59 : x
  2. Step 2: Convert to fraction form
    3,160.40/4,741.26 = 1,212.59/x
  3. Step 3: Cross multiply
    3,160.40x = 4,741.26 × 1,212.59
  4. Step 4: Simplify right side
    3,160.40x = 5,749,204.46
  5. Step 5: Solve for x
    x = 5,749,204.46/3,160.40
  6. Step 6: Final answer
    x = 1,819.14

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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.