Home / 3,160.47-4,739.99-1,212.24

Finding the Fourth Proportional to 3,160.47, 4,739.99 and 1,212.24

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Solution

The fourth proportional to 3,160.47, 4,739.99 and 1,212.24 is: 1,818.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.47 : 4,739.99 = 1,212.24 : x
  2. Step 2: Convert to fraction form
    3,160.47/4,739.99 = 1,212.24/x
  3. Step 3: Cross multiply
    3,160.47x = 4,739.99 × 1,212.24
  4. Step 4: Simplify right side
    3,160.47x = 5,745,999.42
  5. Step 5: Solve for x
    x = 5,745,999.42/3,160.47
  6. Step 6: Final answer
    x = 1,818.08

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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.