Home / 1,668.30-2,303.06-1,294.42

Finding the Fourth Proportional to 1,668.30, 2,303.06 and 1,294.42

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Solution

The fourth proportional to 1,668.30, 2,303.06 and 1,294.42 is: 1,786.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668.30 : 2,303.06 = 1,294.42 : x
  2. Step 2: Convert to fraction form
    1,668.30/2,303.06 = 1,294.42/x
  3. Step 3: Cross multiply
    1,668.30x = 2,303.06 × 1,294.42
  4. Step 4: Simplify right side
    1,668.30x = 2,981,126.93
  5. Step 5: Solve for x
    x = 2,981,126.93/1,668.30
  6. Step 6: Final answer
    x = 1,786.92

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1.5x scale

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.