Home / 2,982.06-4,118.74-2,386.62

Finding the Fourth Proportional to 2,982.06, 4,118.74 and 2,386.62

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Solution

The fourth proportional to 2,982.06, 4,118.74 and 2,386.62 is: 3,296.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.06 : 4,118.74 = 2,386.62 : x
  2. Step 2: Convert to fraction form
    2,982.06/4,118.74 = 2,386.62/x
  3. Step 3: Cross multiply
    2,982.06x = 4,118.74 × 2,386.62
  4. Step 4: Simplify right side
    2,982.06x = 9,829,861.29
  5. Step 5: Solve for x
    x = 9,829,861.29/2,982.06
  6. Step 6: Final answer
    x = 3,296.33

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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.