Home / 3,549.13-4,897.96-1,977.22

Finding the Fourth Proportional to 3,549.13, 4,897.96 and 1,977.22

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Solution

The fourth proportional to 3,549.13, 4,897.96 and 1,977.22 is: 2,728.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.13 : 4,897.96 = 1,977.22 : x
  2. Step 2: Convert to fraction form
    3,549.13/4,897.96 = 1,977.22/x
  3. Step 3: Cross multiply
    3,549.13x = 4,897.96 × 1,977.22
  4. Step 4: Simplify right side
    3,549.13x = 9,684,344.47
  5. Step 5: Solve for x
    x = 9,684,344.47/3,549.13
  6. Step 6: Final answer
    x = 2,728.65

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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.