Home / 3,030.70-4,181.27-1,771.30

Finding the Fourth Proportional to 3,030.70, 4,181.27 and 1,771.30

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Solution

The fourth proportional to 3,030.70, 4,181.27 and 1,771.30 is: 2,443.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.70 : 4,181.27 = 1,771.30 : x
  2. Step 2: Convert to fraction form
    3,030.70/4,181.27 = 1,771.30/x
  3. Step 3: Cross multiply
    3,030.70x = 4,181.27 × 1,771.30
  4. Step 4: Simplify right side
    3,030.70x = 7,406,283.55
  5. Step 5: Solve for x
    x = 7,406,283.55/3,030.70
  6. Step 6: Final answer
    x = 2,443.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.