Home / 2,275.51-3,412.66-1,403.45

Finding the Fourth Proportional to 2,275.51, 3,412.66 and 1,403.45

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Solution

The fourth proportional to 2,275.51, 3,412.66 and 1,403.45 is: 2,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.51 : 3,412.66 = 1,403.45 : x
  2. Step 2: Convert to fraction form
    2,275.51/3,412.66 = 1,403.45/x
  3. Step 3: Cross multiply
    2,275.51x = 3,412.66 × 1,403.45
  4. Step 4: Simplify right side
    2,275.51x = 4,789,489.15
  5. Step 5: Solve for x
    x = 4,789,489.15/2,275.51
  6. Step 6: Final answer
    x = 2,104.80

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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.