Home / 2,928.76-4,041.38-1,669.88

Finding the Fourth Proportional to 2,928.76, 4,041.38 and 1,669.88

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Solution

The fourth proportional to 2,928.76, 4,041.38 and 1,669.88 is: 2,304.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.76 : 4,041.38 = 1,669.88 : x
  2. Step 2: Convert to fraction form
    2,928.76/4,041.38 = 1,669.88/x
  3. Step 3: Cross multiply
    2,928.76x = 4,041.38 × 1,669.88
  4. Step 4: Simplify right side
    2,928.76x = 6,748,619.63
  5. Step 5: Solve for x
    x = 6,748,619.63/2,928.76
  6. Step 6: Final answer
    x = 2,304.26

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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.