Home / 1,646.39-2,464.76-1,090.08

Finding the Fourth Proportional to 1,646.39, 2,464.76 and 1,090.08

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Solution

The fourth proportional to 1,646.39, 2,464.76 and 1,090.08 is: 1,631.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646.39 : 2,464.76 = 1,090.08 : x
  2. Step 2: Convert to fraction form
    1,646.39/2,464.76 = 1,090.08/x
  3. Step 3: Cross multiply
    1,646.39x = 2,464.76 × 1,090.08
  4. Step 4: Simplify right side
    1,646.39x = 2,686,788.31
  5. Step 5: Solve for x
    x = 2,686,788.31/1,646.39
  6. Step 6: Final answer
    x = 1,631.92

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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.