Home / 3,050.40-4,575.56-741.90

Finding the Fourth Proportional to 3,050.40, 4,575.56 and 741.90

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Solution

The fourth proportional to 3,050.40, 4,575.56 and 741.90 is: 1,112.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.40 : 4,575.56 = 741.90 : x
  2. Step 2: Convert to fraction form
    3,050.40/4,575.56 = 741.90/x
  3. Step 3: Cross multiply
    3,050.40x = 4,575.56 × 741.90
  4. Step 4: Simplify right side
    3,050.40x = 3,394,607.96
  5. Step 5: Solve for x
    x = 3,394,607.96/3,050.40
  6. Step 6: Final answer
    x = 1,112.84

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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.