Home / 3,134.07-4,323.45-2,430.57

Finding the Fourth Proportional to 3,134.07, 4,323.45 and 2,430.57

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Solution

The fourth proportional to 3,134.07, 4,323.45 and 2,430.57 is: 3,352.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.07 : 4,323.45 = 2,430.57 : x
  2. Step 2: Convert to fraction form
    3,134.07/4,323.45 = 2,430.57/x
  3. Step 3: Cross multiply
    3,134.07x = 4,323.45 × 2,430.57
  4. Step 4: Simplify right side
    3,134.07x = 10,508,447.87
  5. Step 5: Solve for x
    x = 10,508,447.87/3,134.07
  6. Step 6: Final answer
    x = 3,352.97

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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.