Home / 2,451.86-3,383.43-1,403.99

Finding the Fourth Proportional to 2,451.86, 3,383.43 and 1,403.99

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Solution

The fourth proportional to 2,451.86, 3,383.43 and 1,403.99 is: 1,937.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.86 : 3,383.43 = 1,403.99 : x
  2. Step 2: Convert to fraction form
    2,451.86/3,383.43 = 1,403.99/x
  3. Step 3: Cross multiply
    2,451.86x = 3,383.43 × 1,403.99
  4. Step 4: Simplify right side
    2,451.86x = 4,750,301.89
  5. Step 5: Solve for x
    x = 4,750,301.89/2,451.86
  6. Step 6: Final answer
    x = 1,937.43

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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.