Home / 2,025.63-3,035.61-1,330.45

Finding the Fourth Proportional to 2,025.63, 3,035.61 and 1,330.45

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Solution

The fourth proportional to 2,025.63, 3,035.61 and 1,330.45 is: 1,993.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.63 : 3,035.61 = 1,330.45 : x
  2. Step 2: Convert to fraction form
    2,025.63/3,035.61 = 1,330.45/x
  3. Step 3: Cross multiply
    2,025.63x = 3,035.61 × 1,330.45
  4. Step 4: Simplify right side
    2,025.63x = 4,038,719.74
  5. Step 5: Solve for x
    x = 4,038,719.74/2,025.63
  6. Step 6: Final answer
    x = 1,993.81

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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.