Home / 3,002.37-4,142.60-1,742.70

Finding the Fourth Proportional to 3,002.37, 4,142.60 and 1,742.70

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Solution

The fourth proportional to 3,002.37, 4,142.60 and 1,742.70 is: 2,404.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.37 : 4,142.60 = 1,742.70 : x
  2. Step 2: Convert to fraction form
    3,002.37/4,142.60 = 1,742.70/x
  3. Step 3: Cross multiply
    3,002.37x = 4,142.60 × 1,742.70
  4. Step 4: Simplify right side
    3,002.37x = 7,219,309.02
  5. Step 5: Solve for x
    x = 7,219,309.02/3,002.37
  6. Step 6: Final answer
    x = 2,404.54

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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.