Home / 3,191.01-4,784.63-1,240.94

Finding the Fourth Proportional to 3,191.01, 4,784.63 and 1,240.94

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Solution

The fourth proportional to 3,191.01, 4,784.63 and 1,240.94 is: 1,860.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.01 : 4,784.63 = 1,240.94 : x
  2. Step 2: Convert to fraction form
    3,191.01/4,784.63 = 1,240.94/x
  3. Step 3: Cross multiply
    3,191.01x = 4,784.63 × 1,240.94
  4. Step 4: Simplify right side
    3,191.01x = 5,937,408.62
  5. Step 5: Solve for x
    x = 5,937,408.62/3,191.01
  6. Step 6: Final answer
    x = 1,860.67

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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.