Home / 3,974.13-5,483.52-2,555.64

Finding the Fourth Proportional to 3,974.13, 5,483.52 and 2,555.64

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Solution

The fourth proportional to 3,974.13, 5,483.52 and 2,555.64 is: 3,526.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.13 : 5,483.52 = 2,555.64 : x
  2. Step 2: Convert to fraction form
    3,974.13/5,483.52 = 2,555.64/x
  3. Step 3: Cross multiply
    3,974.13x = 5,483.52 × 2,555.64
  4. Step 4: Simplify right side
    3,974.13x = 14,013,903.05
  5. Step 5: Solve for x
    x = 14,013,903.05/3,974.13
  6. Step 6: Final answer
    x = 3,526.28

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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.