Home / 1,646.10-2,481.48-1,631.52

Finding the Fourth Proportional to 1,646.10, 2,481.48 and 1,631.52

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Solution

The fourth proportional to 1,646.10, 2,481.48 and 1,631.52 is: 2,459.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646.10 : 2,481.48 = 1,631.52 : x
  2. Step 2: Convert to fraction form
    1,646.10/2,481.48 = 1,631.52/x
  3. Step 3: Cross multiply
    1,646.10x = 2,481.48 × 1,631.52
  4. Step 4: Simplify right side
    1,646.10x = 4,048,584.25
  5. Step 5: Solve for x
    x = 4,048,584.25/1,646.10
  6. Step 6: Final answer
    x = 2,459.50

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.