Home / 3,133.26-4,323.96-1,806.74

Finding the Fourth Proportional to 3,133.26, 4,323.96 and 1,806.74

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Solution

The fourth proportional to 3,133.26, 4,323.96 and 1,806.74 is: 2,493.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.26 : 4,323.96 = 1,806.74 : x
  2. Step 2: Convert to fraction form
    3,133.26/4,323.96 = 1,806.74/x
  3. Step 3: Cross multiply
    3,133.26x = 4,323.96 × 1,806.74
  4. Step 4: Simplify right side
    3,133.26x = 7,812,271.49
  5. Step 5: Solve for x
    x = 7,812,271.49/3,133.26
  6. Step 6: Final answer
    x = 2,493.34

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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.