Home / 3,073.11-4,240.87-1,675.86

Finding the Fourth Proportional to 3,073.11, 4,240.87 and 1,675.86

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Solution

The fourth proportional to 3,073.11, 4,240.87 and 1,675.86 is: 2,312.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.11 : 4,240.87 = 1,675.86 : x
  2. Step 2: Convert to fraction form
    3,073.11/4,240.87 = 1,675.86/x
  3. Step 3: Cross multiply
    3,073.11x = 4,240.87 × 1,675.86
  4. Step 4: Simplify right side
    3,073.11x = 7,107,104.40
  5. Step 5: Solve for x
    x = 7,107,104.40/3,073.11
  6. Step 6: Final answer
    x = 2,312.67

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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.