Home / 2,528.46-3,489.08-1,409.31

Finding the Fourth Proportional to 2,528.46, 3,489.08 and 1,409.31

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Solution

The fourth proportional to 2,528.46, 3,489.08 and 1,409.31 is: 1,944.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.46 : 3,489.08 = 1,409.31 : x
  2. Step 2: Convert to fraction form
    2,528.46/3,489.08 = 1,409.31/x
  3. Step 3: Cross multiply
    2,528.46x = 3,489.08 × 1,409.31
  4. Step 4: Simplify right side
    2,528.46x = 4,917,188.29
  5. Step 5: Solve for x
    x = 4,917,188.29/2,528.46
  6. Step 6: Final answer
    x = 1,944.74

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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.