Home / 2,550.20-3,519.09-1,430.91

Finding the Fourth Proportional to 2,550.20, 3,519.09 and 1,430.91

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Solution

The fourth proportional to 2,550.20, 3,519.09 and 1,430.91 is: 1,974.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550.20 : 3,519.09 = 1,430.91 : x
  2. Step 2: Convert to fraction form
    2,550.20/3,519.09 = 1,430.91/x
  3. Step 3: Cross multiply
    2,550.20x = 3,519.09 × 1,430.91
  4. Step 4: Simplify right side
    2,550.20x = 5,035,501.07
  5. Step 5: Solve for x
    x = 5,035,501.07/2,550.20
  6. Step 6: Final answer
    x = 1,974.56

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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.