Home / 3,330.18-4,995.54-1,383.66

Finding the Fourth Proportional to 3,330.18, 4,995.54 and 1,383.66

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Solution

The fourth proportional to 3,330.18, 4,995.54 and 1,383.66 is: 2,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.18 : 4,995.54 = 1,383.66 : x
  2. Step 2: Convert to fraction form
    3,330.18/4,995.54 = 1,383.66/x
  3. Step 3: Cross multiply
    3,330.18x = 4,995.54 × 1,383.66
  4. Step 4: Simplify right side
    3,330.18x = 6,912,128.88
  5. Step 5: Solve for x
    x = 6,912,128.88/3,330.18
  6. Step 6: Final answer
    x = 2,075.60

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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.