Home / 3,430.38-4,733.93-1,858.48

Finding the Fourth Proportional to 3,430.38, 4,733.93 and 1,858.48

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Solution

The fourth proportional to 3,430.38, 4,733.93 and 1,858.48 is: 2,564.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.38 : 4,733.93 = 1,858.48 : x
  2. Step 2: Convert to fraction form
    3,430.38/4,733.93 = 1,858.48/x
  3. Step 3: Cross multiply
    3,430.38x = 4,733.93 × 1,858.48
  4. Step 4: Simplify right side
    3,430.38x = 8,797,914.23
  5. Step 5: Solve for x
    x = 8,797,914.23/3,430.38
  6. Step 6: Final answer
    x = 2,564.71

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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.