Home / 2,941.68-4,059.12-1,615.32

Finding the Fourth Proportional to 2,941.68, 4,059.12 and 1,615.32

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Solution

The fourth proportional to 2,941.68, 4,059.12 and 1,615.32 is: 2,228.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.68 : 4,059.12 = 1,615.32 : x
  2. Step 2: Convert to fraction form
    2,941.68/4,059.12 = 1,615.32/x
  3. Step 3: Cross multiply
    2,941.68x = 4,059.12 × 1,615.32
  4. Step 4: Simplify right side
    2,941.68x = 6,556,777.72
  5. Step 5: Solve for x
    x = 6,556,777.72/2,941.68
  6. Step 6: Final answer
    x = 2,228.92

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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.