Home / 1,668.40-2,488.37-1,464.28

Finding the Fourth Proportional to 1,668.40, 2,488.37 and 1,464.28

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Solution

The fourth proportional to 1,668.40, 2,488.37 and 1,464.28 is: 2,183.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668.40 : 2,488.37 = 1,464.28 : x
  2. Step 2: Convert to fraction form
    1,668.40/2,488.37 = 1,464.28/x
  3. Step 3: Cross multiply
    1,668.40x = 2,488.37 × 1,464.28
  4. Step 4: Simplify right side
    1,668.40x = 3,643,670.42
  5. Step 5: Solve for x
    x = 3,643,670.42/1,668.40
  6. Step 6: Final answer
    x = 2,183.93

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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.