Home / 3,043.89-4,200.57-2,112.93

Finding the Fourth Proportional to 3,043.89, 4,200.57 and 2,112.93

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Solution

The fourth proportional to 3,043.89, 4,200.57 and 2,112.93 is: 2,915.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.89 : 4,200.57 = 2,112.93 : x
  2. Step 2: Convert to fraction form
    3,043.89/4,200.57 = 2,112.93/x
  3. Step 3: Cross multiply
    3,043.89x = 4,200.57 × 2,112.93
  4. Step 4: Simplify right side
    3,043.89x = 8,875,510.37
  5. Step 5: Solve for x
    x = 8,875,510.37/3,043.89
  6. Step 6: Final answer
    x = 2,915.84

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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.