Home / 2,268.86-3,132.87-1,430.96

Finding the Fourth Proportional to 2,268.86, 3,132.87 and 1,430.96

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Solution

The fourth proportional to 2,268.86, 3,132.87 and 1,430.96 is: 1,975.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.86 : 3,132.87 = 1,430.96 : x
  2. Step 2: Convert to fraction form
    2,268.86/3,132.87 = 1,430.96/x
  3. Step 3: Cross multiply
    2,268.86x = 3,132.87 × 1,430.96
  4. Step 4: Simplify right side
    2,268.86x = 4,483,011.66
  5. Step 5: Solve for x
    x = 4,483,011.66/2,268.86
  6. Step 6: Final answer
    x = 1,975.89

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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.