Home / 1,934.18-2,668.47-1,271.39

Finding the Fourth Proportional to 1,934.18, 2,668.47 and 1,271.39

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Solution

The fourth proportional to 1,934.18, 2,668.47 and 1,271.39 is: 1,754.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.18 : 2,668.47 = 1,271.39 : x
  2. Step 2: Convert to fraction form
    1,934.18/2,668.47 = 1,271.39/x
  3. Step 3: Cross multiply
    1,934.18x = 2,668.47 × 1,271.39
  4. Step 4: Simplify right side
    1,934.18x = 3,392,666.07
  5. Step 5: Solve for x
    x = 3,392,666.07/1,934.18
  6. Step 6: Final answer
    x = 1,754.06

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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.