Home / 1,448.26-2,170.23-1,340.26

Finding the Fourth Proportional to 1,448.26, 2,170.23 and 1,340.26

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Solution

The fourth proportional to 1,448.26, 2,170.23 and 1,340.26 is: 2,008.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448.26 : 2,170.23 = 1,340.26 : x
  2. Step 2: Convert to fraction form
    1,448.26/2,170.23 = 1,340.26/x
  3. Step 3: Cross multiply
    1,448.26x = 2,170.23 × 1,340.26
  4. Step 4: Simplify right side
    1,448.26x = 2,908,672.46
  5. Step 5: Solve for x
    x = 2,908,672.46/1,448.26
  6. Step 6: Final answer
    x = 2,008.39

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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.