Home / 4,278.23-5,903.57-2,389.55

Finding the Fourth Proportional to 4,278.23, 5,903.57 and 2,389.55

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Solution

The fourth proportional to 4,278.23, 5,903.57 and 2,389.55 is: 3,297.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.23 : 5,903.57 = 2,389.55 : x
  2. Step 2: Convert to fraction form
    4,278.23/5,903.57 = 2,389.55/x
  3. Step 3: Cross multiply
    4,278.23x = 5,903.57 × 2,389.55
  4. Step 4: Simplify right side
    4,278.23x = 14,106,896.43
  5. Step 5: Solve for x
    x = 14,106,896.43/4,278.23
  6. Step 6: Final answer
    x = 3,297.37

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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.