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Finding the Fourth Proportional to 3,018.32, 4,527.54 and 1,984.92

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Solution

The fourth proportional to 3,018.32, 4,527.54 and 1,984.92 is: 2,977.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.32 : 4,527.54 = 1,984.92 : x
  2. Step 2: Convert to fraction form
    3,018.32/4,527.54 = 1,984.92/x
  3. Step 3: Cross multiply
    3,018.32x = 4,527.54 × 1,984.92
  4. Step 4: Simplify right side
    3,018.32x = 8,986,804.70
  5. Step 5: Solve for x
    x = 8,986,804.70/3,018.32
  6. Step 6: Final answer
    x = 2,977.42

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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.