Home / 1,646.20-2,452.73-1,622.44

Finding the Fourth Proportional to 1,646.20, 2,452.73 and 1,622.44

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Solution

The fourth proportional to 1,646.20, 2,452.73 and 1,622.44 is: 2,417.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646.20 : 2,452.73 = 1,622.44 : x
  2. Step 2: Convert to fraction form
    1,646.20/2,452.73 = 1,622.44/x
  3. Step 3: Cross multiply
    1,646.20x = 2,452.73 × 1,622.44
  4. Step 4: Simplify right side
    1,646.20x = 3,979,407.26
  5. Step 5: Solve for x
    x = 3,979,407.26/1,646.20
  6. Step 6: Final answer
    x = 2,417.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.