Home / 2,941.40-4,059.11-1,615.12

Finding the Fourth Proportional to 2,941.40, 4,059.11 and 1,615.12

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Solution

The fourth proportional to 2,941.40, 4,059.11 and 1,615.12 is: 2,228.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.40 : 4,059.11 = 1,615.12 : x
  2. Step 2: Convert to fraction form
    2,941.40/4,059.11 = 1,615.12/x
  3. Step 3: Cross multiply
    2,941.40x = 4,059.11 × 1,615.12
  4. Step 4: Simplify right side
    2,941.40x = 6,555,943.63
  5. Step 5: Solve for x
    x = 6,555,943.63/2,941.40
  6. Step 6: Final answer
    x = 2,228.85

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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.