Home / 2,827.46-4,240.32-1,955.56

Finding the Fourth Proportional to 2,827.46, 4,240.32 and 1,955.56

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Solution

The fourth proportional to 2,827.46, 4,240.32 and 1,955.56 is: 2,932.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.46 : 4,240.32 = 1,955.56 : x
  2. Step 2: Convert to fraction form
    2,827.46/4,240.32 = 1,955.56/x
  3. Step 3: Cross multiply
    2,827.46x = 4,240.32 × 1,955.56
  4. Step 4: Simplify right side
    2,827.46x = 8,292,200.18
  5. Step 5: Solve for x
    x = 8,292,200.18/2,827.46
  6. Step 6: Final answer
    x = 2,932.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.