Home / 3,549.06-4,897.80-1,977.26

Finding the Fourth Proportional to 3,549.06, 4,897.80 and 1,977.26

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Solution

The fourth proportional to 3,549.06, 4,897.80 and 1,977.26 is: 2,728.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.06 : 4,897.80 = 1,977.26 : x
  2. Step 2: Convert to fraction form
    3,549.06/4,897.80 = 1,977.26/x
  3. Step 3: Cross multiply
    3,549.06x = 4,897.80 × 1,977.26
  4. Step 4: Simplify right side
    3,549.06x = 9,684,199.54
  5. Step 5: Solve for x
    x = 9,684,199.54/3,549.06
  6. Step 6: Final answer
    x = 2,728.67

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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.