Home / 4,139.20-6,201.60-2,598.40

Finding the Fourth Proportional to 4,139.20, 6,201.60 and 2,598.40

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Solution

The fourth proportional to 4,139.20, 6,201.60 and 2,598.40 is: 3,893.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.20 : 6,201.60 = 2,598.40 : x
  2. Step 2: Convert to fraction form
    4,139.20/6,201.60 = 2,598.40/x
  3. Step 3: Cross multiply
    4,139.20x = 6,201.60 × 2,598.40
  4. Step 4: Simplify right side
    4,139.20x = 16,114,237.44
  5. Step 5: Solve for x
    x = 16,114,237.44/4,139.20
  6. Step 6: Final answer
    x = 3,893.08

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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.