Home / 3,004.90-4,507.35-2,778.91

Finding the Fourth Proportional to 3,004.90, 4,507.35 and 2,778.91

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Solution

The fourth proportional to 3,004.90, 4,507.35 and 2,778.91 is: 4,168.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,004.90 : 4,507.35 = 2,778.91 : x
  2. Step 2: Convert to fraction form
    3,004.90/4,507.35 = 2,778.91/x
  3. Step 3: Cross multiply
    3,004.90x = 4,507.35 × 2,778.91
  4. Step 4: Simplify right side
    3,004.90x = 12,525,498.30
  5. Step 5: Solve for x
    x = 12,525,498.30/3,004.90
  6. Step 6: Final answer
    x = 4,168.36

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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.