Home / 3,180.01-4,770.47-1,206.38

Finding the Fourth Proportional to 3,180.01, 4,770.47 and 1,206.38

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Solution

The fourth proportional to 3,180.01, 4,770.47 and 1,206.38 is: 1,809.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.01 : 4,770.47 = 1,206.38 : x
  2. Step 2: Convert to fraction form
    3,180.01/4,770.47 = 1,206.38/x
  3. Step 3: Cross multiply
    3,180.01x = 4,770.47 × 1,206.38
  4. Step 4: Simplify right side
    3,180.01x = 5,754,999.60
  5. Step 5: Solve for x
    x = 5,754,999.60/3,180.01
  6. Step 6: Final answer
    x = 1,809.74

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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.