Home / 2,256.26-3,108.27-2,145.08

Finding the Fourth Proportional to 2,256.26, 3,108.27 and 2,145.08

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Solution

The fourth proportional to 2,256.26, 3,108.27 and 2,145.08 is: 2,955.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256.26 : 3,108.27 = 2,145.08 : x
  2. Step 2: Convert to fraction form
    2,256.26/3,108.27 = 2,145.08/x
  3. Step 3: Cross multiply
    2,256.26x = 3,108.27 × 2,145.08
  4. Step 4: Simplify right side
    2,256.26x = 6,667,503.63
  5. Step 5: Solve for x
    x = 6,667,503.63/2,256.26
  6. Step 6: Final answer
    x = 2,955.12

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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.