Home / 3,553.23-4,903.16-1,980.99

Finding the Fourth Proportional to 3,553.23, 4,903.16 and 1,980.99

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Solution

The fourth proportional to 3,553.23, 4,903.16 and 1,980.99 is: 2,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.23 : 4,903.16 = 1,980.99 : x
  2. Step 2: Convert to fraction form
    3,553.23/4,903.16 = 1,980.99/x
  3. Step 3: Cross multiply
    3,553.23x = 4,903.16 × 1,980.99
  4. Step 4: Simplify right side
    3,553.23x = 9,713,101.02
  5. Step 5: Solve for x
    x = 9,713,101.02/3,553.23
  6. Step 6: Final answer
    x = 2,733.60

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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.