Home / 3,089.76-4,263.46-1,763.38

Finding the Fourth Proportional to 3,089.76, 4,263.46 and 1,763.38

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Solution

The fourth proportional to 3,089.76, 4,263.46 and 1,763.38 is: 2,433.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.76 : 4,263.46 = 1,763.38 : x
  2. Step 2: Convert to fraction form
    3,089.76/4,263.46 = 1,763.38/x
  3. Step 3: Cross multiply
    3,089.76x = 4,263.46 × 1,763.38
  4. Step 4: Simplify right side
    3,089.76x = 7,518,100.09
  5. Step 5: Solve for x
    x = 7,518,100.09/3,089.76
  6. Step 6: Final answer
    x = 2,433.23

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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.