Home / 2,928.58-4,041.63-1,669.78

Finding the Fourth Proportional to 2,928.58, 4,041.63 and 1,669.78

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Solution

The fourth proportional to 2,928.58, 4,041.63 and 1,669.78 is: 2,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.58 : 4,041.63 = 1,669.78 : x
  2. Step 2: Convert to fraction form
    2,928.58/4,041.63 = 1,669.78/x
  3. Step 3: Cross multiply
    2,928.58x = 4,041.63 × 1,669.78
  4. Step 4: Simplify right side
    2,928.58x = 6,748,632.94
  5. Step 5: Solve for x
    x = 6,748,632.94/2,928.58
  6. Step 6: Final answer
    x = 2,304.40

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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.