Home / 2,996.06-4,136.80-1,818.74

Finding the Fourth Proportional to 2,996.06, 4,136.80 and 1,818.74

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Solution

The fourth proportional to 2,996.06, 4,136.80 and 1,818.74 is: 2,511.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.06 : 4,136.80 = 1,818.74 : x
  2. Step 2: Convert to fraction form
    2,996.06/4,136.80 = 1,818.74/x
  3. Step 3: Cross multiply
    2,996.06x = 4,136.80 × 1,818.74
  4. Step 4: Simplify right side
    2,996.06x = 7,523,763.63
  5. Step 5: Solve for x
    x = 7,523,763.63/2,996.06
  6. Step 6: Final answer
    x = 2,511.22

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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.