Home / 3,000.80-4,501.72-1,335.44

Finding the Fourth Proportional to 3,000.80, 4,501.72 and 1,335.44

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Solution

The fourth proportional to 3,000.80, 4,501.72 and 1,335.44 is: 2,003.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.80 : 4,501.72 = 1,335.44 : x
  2. Step 2: Convert to fraction form
    3,000.80/4,501.72 = 1,335.44/x
  3. Step 3: Cross multiply
    3,000.80x = 4,501.72 × 1,335.44
  4. Step 4: Simplify right side
    3,000.80x = 6,011,776.96
  5. Step 5: Solve for x
    x = 6,011,776.96/3,000.80
  6. Step 6: Final answer
    x = 2,003.39

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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.