Home / 3,438.16-4,739.68-2,540.58

Finding the Fourth Proportional to 3,438.16, 4,739.68 and 2,540.58

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Solution

The fourth proportional to 3,438.16, 4,739.68 and 2,540.58 is: 3,502.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.16 : 4,739.68 = 2,540.58 : x
  2. Step 2: Convert to fraction form
    3,438.16/4,739.68 = 2,540.58/x
  3. Step 3: Cross multiply
    3,438.16x = 4,739.68 × 2,540.58
  4. Step 4: Simplify right side
    3,438.16x = 12,041,548.28
  5. Step 5: Solve for x
    x = 12,041,548.28/3,438.16
  6. Step 6: Final answer
    x = 3,502.32

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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.