Home / 3,191.10-4,749.09-3,074.46

Finding the Fourth Proportional to 3,191.10, 4,749.09 and 3,074.46

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Solution

The fourth proportional to 3,191.10, 4,749.09 and 3,074.46 is: 4,575.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.10 : 4,749.09 = 3,074.46 : x
  2. Step 2: Convert to fraction form
    3,191.10/4,749.09 = 3,074.46/x
  3. Step 3: Cross multiply
    3,191.10x = 4,749.09 × 3,074.46
  4. Step 4: Simplify right side
    3,191.10x = 14,600,887.24
  5. Step 5: Solve for x
    x = 14,600,887.24/3,191.10
  6. Step 6: Final answer
    x = 4,575.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.