Home / 3,030.18-4,181.36-1,771.07

Finding the Fourth Proportional to 3,030.18, 4,181.36 and 1,771.07

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Solution

The fourth proportional to 3,030.18, 4,181.36 and 1,771.07 is: 2,443.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.18 : 4,181.36 = 1,771.07 : x
  2. Step 2: Convert to fraction form
    3,030.18/4,181.36 = 1,771.07/x
  3. Step 3: Cross multiply
    3,030.18x = 4,181.36 × 1,771.07
  4. Step 4: Simplify right side
    3,030.18x = 7,405,451.49
  5. Step 5: Solve for x
    x = 7,405,451.49/3,030.18
  6. Step 6: Final answer
    x = 2,443.90

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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.