Home / 4,090.92-6,137.40-1,901.20

Finding the Fourth Proportional to 4,090.92, 6,137.40 and 1,901.20

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Solution

The fourth proportional to 4,090.92, 6,137.40 and 1,901.20 is: 2,852.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.92 : 6,137.40 = 1,901.20 : x
  2. Step 2: Convert to fraction form
    4,090.92/6,137.40 = 1,901.20/x
  3. Step 3: Cross multiply
    4,090.92x = 6,137.40 × 1,901.20
  4. Step 4: Simplify right side
    4,090.92x = 11,668,424.88
  5. Step 5: Solve for x
    x = 11,668,424.88/4,090.92
  6. Step 6: Final answer
    x = 2,852.27

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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.