Home / 2,043.81-3,065.70-1,222.31

Finding the Fourth Proportional to 2,043.81, 3,065.70 and 1,222.31

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Solution

The fourth proportional to 2,043.81, 3,065.70 and 1,222.31 is: 1,833.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.81 : 3,065.70 = 1,222.31 : x
  2. Step 2: Convert to fraction form
    2,043.81/3,065.70 = 1,222.31/x
  3. Step 3: Cross multiply
    2,043.81x = 3,065.70 × 1,222.31
  4. Step 4: Simplify right side
    2,043.81x = 3,747,248.01
  5. Step 5: Solve for x
    x = 3,747,248.01/2,043.81
  6. Step 6: Final answer
    x = 1,833.46

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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.