Home / 2,055.55-2,835.85-1,268.23

Finding the Fourth Proportional to 2,055.55, 2,835.85 and 1,268.23

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Solution

The fourth proportional to 2,055.55, 2,835.85 and 1,268.23 is: 1,749.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055.55 : 2,835.85 = 1,268.23 : x
  2. Step 2: Convert to fraction form
    2,055.55/2,835.85 = 1,268.23/x
  3. Step 3: Cross multiply
    2,055.55x = 2,835.85 × 1,268.23
  4. Step 4: Simplify right side
    2,055.55x = 3,596,510.05
  5. Step 5: Solve for x
    x = 3,596,510.05/2,055.55
  6. Step 6: Final answer
    x = 1,749.66

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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.