Home / 3,101.15-4,278.19-1,842.26

Finding the Fourth Proportional to 3,101.15, 4,278.19 and 1,842.26

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Solution

The fourth proportional to 3,101.15, 4,278.19 and 1,842.26 is: 2,541.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.15 : 4,278.19 = 1,842.26 : x
  2. Step 2: Convert to fraction form
    3,101.15/4,278.19 = 1,842.26/x
  3. Step 3: Cross multiply
    3,101.15x = 4,278.19 × 1,842.26
  4. Step 4: Simplify right side
    3,101.15x = 7,881,538.31
  5. Step 5: Solve for x
    x = 7,881,538.31/3,101.15
  6. Step 6: Final answer
    x = 2,541.49

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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.