Home / 1,628.51-2,247.75-1,453.55

Finding the Fourth Proportional to 1,628.51, 2,247.75 and 1,453.55

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Solution

The fourth proportional to 1,628.51, 2,247.75 and 1,453.55 is: 2,006.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.51 : 2,247.75 = 1,453.55 : x
  2. Step 2: Convert to fraction form
    1,628.51/2,247.75 = 1,453.55/x
  3. Step 3: Cross multiply
    1,628.51x = 2,247.75 × 1,453.55
  4. Step 4: Simplify right side
    1,628.51x = 3,267,205.77
  5. Step 5: Solve for x
    x = 3,267,205.77/1,628.51
  6. Step 6: Final answer
    x = 2,006.26

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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.