Home / 2,481.28-3,424.76-1,685.93

Finding the Fourth Proportional to 2,481.28, 3,424.76 and 1,685.93

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Solution

The fourth proportional to 2,481.28, 3,424.76 and 1,685.93 is: 2,326.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.28 : 3,424.76 = 1,685.93 : x
  2. Step 2: Convert to fraction form
    2,481.28/3,424.76 = 1,685.93/x
  3. Step 3: Cross multiply
    2,481.28x = 3,424.76 × 1,685.93
  4. Step 4: Simplify right side
    2,481.28x = 5,773,905.63
  5. Step 5: Solve for x
    x = 5,773,905.63/2,481.28
  6. Step 6: Final answer
    x = 2,326.99

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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.