Home / 3,554.77-4,905.57-1,982.87

Finding the Fourth Proportional to 3,554.77, 4,905.57 and 1,982.87

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Solution

The fourth proportional to 3,554.77, 4,905.57 and 1,982.87 is: 2,736.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.77 : 4,905.57 = 1,982.87 : x
  2. Step 2: Convert to fraction form
    3,554.77/4,905.57 = 1,982.87/x
  3. Step 3: Cross multiply
    3,554.77x = 4,905.57 × 1,982.87
  4. Step 4: Simplify right side
    3,554.77x = 9,727,088.02
  5. Step 5: Solve for x
    x = 9,727,088.02/3,554.77
  6. Step 6: Final answer
    x = 2,736.35

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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.