Home / 3,074.95-4,614.81-1,226.23

Finding the Fourth Proportional to 3,074.95, 4,614.81 and 1,226.23

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Solution

The fourth proportional to 3,074.95, 4,614.81 and 1,226.23 is: 1,840.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.95 : 4,614.81 = 1,226.23 : x
  2. Step 2: Convert to fraction form
    3,074.95/4,614.81 = 1,226.23/x
  3. Step 3: Cross multiply
    3,074.95x = 4,614.81 × 1,226.23
  4. Step 4: Simplify right side
    3,074.95x = 5,658,818.47
  5. Step 5: Solve for x
    x = 5,658,818.47/3,074.95
  6. Step 6: Final answer
    x = 1,840.30

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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.