Home / 2,994.80-4,132.76-1,668.42

Finding the Fourth Proportional to 2,994.80, 4,132.76 and 1,668.42

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Solution

The fourth proportional to 2,994.80, 4,132.76 and 1,668.42 is: 2,302.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,994.80 : 4,132.76 = 1,668.42 : x
  2. Step 2: Convert to fraction form
    2,994.80/4,132.76 = 1,668.42/x
  3. Step 3: Cross multiply
    2,994.80x = 4,132.76 × 1,668.42
  4. Step 4: Simplify right side
    2,994.80x = 6,895,171.10
  5. Step 5: Solve for x
    x = 6,895,171.10/2,994.80
  6. Step 6: Final answer
    x = 2,302.39

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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.