Home / 3,977.18-5,483.52-2,558.36

Finding the Fourth Proportional to 3,977.18, 5,483.52 and 2,558.36

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Solution

The fourth proportional to 3,977.18, 5,483.52 and 2,558.36 is: 3,527.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.18 : 5,483.52 = 2,558.36 : x
  2. Step 2: Convert to fraction form
    3,977.18/5,483.52 = 2,558.36/x
  3. Step 3: Cross multiply
    3,977.18x = 5,483.52 × 2,558.36
  4. Step 4: Simplify right side
    3,977.18x = 14,028,790.81
  5. Step 5: Solve for x
    x = 14,028,790.81/3,977.18
  6. Step 6: Final answer
    x = 3,527.33

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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.