Home / 1,850.08-2,555.21-1,259.59

Finding the Fourth Proportional to 1,850.08, 2,555.21 and 1,259.59

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Solution

The fourth proportional to 1,850.08, 2,555.21 and 1,259.59 is: 1,739.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.08 : 2,555.21 = 1,259.59 : x
  2. Step 2: Convert to fraction form
    1,850.08/2,555.21 = 1,259.59/x
  3. Step 3: Cross multiply
    1,850.08x = 2,555.21 × 1,259.59
  4. Step 4: Simplify right side
    1,850.08x = 3,218,516.96
  5. Step 5: Solve for x
    x = 3,218,516.96/1,850.08
  6. Step 6: Final answer
    x = 1,739.66

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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.