Home / 2,480.72-3,716.01-1,385.66

Finding the Fourth Proportional to 2,480.72, 3,716.01 and 1,385.66

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Solution

The fourth proportional to 2,480.72, 3,716.01 and 1,385.66 is: 2,075.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.72 : 3,716.01 = 1,385.66 : x
  2. Step 2: Convert to fraction form
    2,480.72/3,716.01 = 1,385.66/x
  3. Step 3: Cross multiply
    2,480.72x = 3,716.01 × 1,385.66
  4. Step 4: Simplify right side
    2,480.72x = 5,149,135.71
  5. Step 5: Solve for x
    x = 5,149,135.71/2,480.72
  6. Step 6: Final answer
    x = 2,075.67

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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.