Home / 1,628.16-2,247.93-1,453.20

Finding the Fourth Proportional to 1,628.16, 2,247.93 and 1,453.20

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Solution

The fourth proportional to 1,628.16, 2,247.93 and 1,453.20 is: 2,006.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.16 : 2,247.93 = 1,453.20 : x
  2. Step 2: Convert to fraction form
    1,628.16/2,247.93 = 1,453.20/x
  3. Step 3: Cross multiply
    1,628.16x = 2,247.93 × 1,453.20
  4. Step 4: Simplify right side
    1,628.16x = 3,266,691.88
  5. Step 5: Solve for x
    x = 3,266,691.88/1,628.16
  6. Step 6: Final answer
    x = 2,006.37

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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.