Home / 3,491.06-4,817.62-1,897.70

Finding the Fourth Proportional to 3,491.06, 4,817.62 and 1,897.70

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Solution

The fourth proportional to 3,491.06, 4,817.62 and 1,897.70 is: 2,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.06 : 4,817.62 = 1,897.70 : x
  2. Step 2: Convert to fraction form
    3,491.06/4,817.62 = 1,897.70/x
  3. Step 3: Cross multiply
    3,491.06x = 4,817.62 × 1,897.70
  4. Step 4: Simplify right side
    3,491.06x = 9,142,375.76
  5. Step 5: Solve for x
    x = 9,142,375.76/3,491.06
  6. Step 6: Final answer
    x = 2,618.80

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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.