Home / 2,941.80-4,059.52-1,615.42

Finding the Fourth Proportional to 2,941.80, 4,059.52 and 1,615.42

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Solution

The fourth proportional to 2,941.80, 4,059.52 and 1,615.42 is: 2,229.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.80 : 4,059.52 = 1,615.42 : x
  2. Step 2: Convert to fraction form
    2,941.80/4,059.52 = 1,615.42/x
  3. Step 3: Cross multiply
    2,941.80x = 4,059.52 × 1,615.42
  4. Step 4: Simplify right side
    2,941.80x = 6,557,829.80
  5. Step 5: Solve for x
    x = 6,557,829.80/2,941.80
  6. Step 6: Final answer
    x = 2,229.19

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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.