Home / 2,550.85-3,520.20-1,488.67

Finding the Fourth Proportional to 2,550.85, 3,520.20 and 1,488.67

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Solution

The fourth proportional to 2,550.85, 3,520.20 and 1,488.67 is: 2,054.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550.85 : 3,520.20 = 1,488.67 : x
  2. Step 2: Convert to fraction form
    2,550.85/3,520.20 = 1,488.67/x
  3. Step 3: Cross multiply
    2,550.85x = 3,520.20 × 1,488.67
  4. Step 4: Simplify right side
    2,550.85x = 5,240,416.13
  5. Step 5: Solve for x
    x = 5,240,416.13/2,550.85
  6. Step 6: Final answer
    x = 2,054.38

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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.