Home / 1,668.07-2,302.01-1,038.97

Finding the Fourth Proportional to 1,668.07, 2,302.01 and 1,038.97

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Solution

The fourth proportional to 1,668.07, 2,302.01 and 1,038.97 is: 1,433.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668.07 : 2,302.01 = 1,038.97 : x
  2. Step 2: Convert to fraction form
    1,668.07/2,302.01 = 1,038.97/x
  3. Step 3: Cross multiply
    1,668.07x = 2,302.01 × 1,038.97
  4. Step 4: Simplify right side
    1,668.07x = 2,391,719.33
  5. Step 5: Solve for x
    x = 2,391,719.33/1,668.07
  6. Step 6: Final answer
    x = 1,433.82

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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.