Home / 2,941.59-4,059.45-1,615.40

Finding the Fourth Proportional to 2,941.59, 4,059.45 and 1,615.40

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Solution

The fourth proportional to 2,941.59, 4,059.45 and 1,615.40 is: 2,229.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.59 : 4,059.45 = 1,615.40 : x
  2. Step 2: Convert to fraction form
    2,941.59/4,059.45 = 1,615.40/x
  3. Step 3: Cross multiply
    2,941.59x = 4,059.45 × 1,615.40
  4. Step 4: Simplify right side
    2,941.59x = 6,557,615.23
  5. Step 5: Solve for x
    x = 6,557,615.23/2,941.59
  6. Step 6: Final answer
    x = 2,229.28

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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.