Home / 1,928.04-2,661.96-1,256.46

Finding the Fourth Proportional to 1,928.04, 2,661.96 and 1,256.46

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Solution

The fourth proportional to 1,928.04, 2,661.96 and 1,256.46 is: 1,734.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928.04 : 2,661.96 = 1,256.46 : x
  2. Step 2: Convert to fraction form
    1,928.04/2,661.96 = 1,256.46/x
  3. Step 3: Cross multiply
    1,928.04x = 2,661.96 × 1,256.46
  4. Step 4: Simplify right side
    1,928.04x = 3,344,646.26
  5. Step 5: Solve for x
    x = 3,344,646.26/1,928.04
  6. Step 6: Final answer
    x = 1,734.74

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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.