Home / 3,013.80-4,520.70-1,551.75

Finding the Fourth Proportional to 3,013.80, 4,520.70 and 1,551.75

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Solution

The fourth proportional to 3,013.80, 4,520.70 and 1,551.75 is: 2,327.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.80 : 4,520.70 = 1,551.75 : x
  2. Step 2: Convert to fraction form
    3,013.80/4,520.70 = 1,551.75/x
  3. Step 3: Cross multiply
    3,013.80x = 4,520.70 × 1,551.75
  4. Step 4: Simplify right side
    3,013.80x = 7,014,996.23
  5. Step 5: Solve for x
    x = 7,014,996.23/3,013.80
  6. Step 6: Final answer
    x = 2,327.63

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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.