Home / 3,116.93-4,301.56-1,790.83

Finding the Fourth Proportional to 3,116.93, 4,301.56 and 1,790.83

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Solution

The fourth proportional to 3,116.93, 4,301.56 and 1,790.83 is: 2,471.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.93 : 4,301.56 = 1,790.83 : x
  2. Step 2: Convert to fraction form
    3,116.93/4,301.56 = 1,790.83/x
  3. Step 3: Cross multiply
    3,116.93x = 4,301.56 × 1,790.83
  4. Step 4: Simplify right side
    3,116.93x = 7,703,372.33
  5. Step 5: Solve for x
    x = 7,703,372.33/3,116.93
  6. Step 6: Final answer
    x = 2,471.46

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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.