Home / 3,970.12-5,953.96-2,745.40

Finding the Fourth Proportional to 3,970.12, 5,953.96 and 2,745.40

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Solution

The fourth proportional to 3,970.12, 5,953.96 and 2,745.40 is: 4,117.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970.12 : 5,953.96 = 2,745.40 : x
  2. Step 2: Convert to fraction form
    3,970.12/5,953.96 = 2,745.40/x
  3. Step 3: Cross multiply
    3,970.12x = 5,953.96 × 2,745.40
  4. Step 4: Simplify right side
    3,970.12x = 16,346,025.96
  5. Step 5: Solve for x
    x = 16,346,025.96/3,970.12
  6. Step 6: Final answer
    x = 4,117.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.