Home / 3,465.38-5,189.78-2,525.80

Finding the Fourth Proportional to 3,465.38, 5,189.78 and 2,525.80

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Solution

The fourth proportional to 3,465.38, 5,189.78 and 2,525.80 is: 3,782.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.38 : 5,189.78 = 2,525.80 : x
  2. Step 2: Convert to fraction form
    3,465.38/5,189.78 = 2,525.80/x
  3. Step 3: Cross multiply
    3,465.38x = 5,189.78 × 2,525.80
  4. Step 4: Simplify right side
    3,465.38x = 13,108,346.32
  5. Step 5: Solve for x
    x = 13,108,346.32/3,465.38
  6. Step 6: Final answer
    x = 3,782.66

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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.