Home / 2,942.13-4,059.93-1,615.56

Finding the Fourth Proportional to 2,942.13, 4,059.93 and 1,615.56

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Solution

The fourth proportional to 2,942.13, 4,059.93 and 1,615.56 is: 2,229.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.13 : 4,059.93 = 1,615.56 : x
  2. Step 2: Convert to fraction form
    2,942.13/4,059.93 = 1,615.56/x
  3. Step 3: Cross multiply
    2,942.13x = 4,059.93 × 1,615.56
  4. Step 4: Simplify right side
    2,942.13x = 6,559,060.51
  5. Step 5: Solve for x
    x = 6,559,060.51/2,942.13
  6. Step 6: Final answer
    x = 2,229.36

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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.