Home / 3,039.42-4,555.62-1,392.50

Finding the Fourth Proportional to 3,039.42, 4,555.62 and 1,392.50

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Solution

The fourth proportional to 3,039.42, 4,555.62 and 1,392.50 is: 2,087.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.42 : 4,555.62 = 1,392.50 : x
  2. Step 2: Convert to fraction form
    3,039.42/4,555.62 = 1,392.50/x
  3. Step 3: Cross multiply
    3,039.42x = 4,555.62 × 1,392.50
  4. Step 4: Simplify right side
    3,039.42x = 6,343,723.54
  5. Step 5: Solve for x
    x = 6,343,723.54/3,039.42
  6. Step 6: Final answer
    x = 2,087.15

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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.