Home / 2,928.05-4,041.08-1,669.56

Finding the Fourth Proportional to 2,928.05, 4,041.08 and 1,669.56

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Solution

The fourth proportional to 2,928.05, 4,041.08 and 1,669.56 is: 2,304.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.05 : 4,041.08 = 1,669.56 : x
  2. Step 2: Convert to fraction form
    2,928.05/4,041.08 = 1,669.56/x
  3. Step 3: Cross multiply
    2,928.05x = 4,041.08 × 1,669.56
  4. Step 4: Simplify right side
    2,928.05x = 6,746,825.52
  5. Step 5: Solve for x
    x = 6,746,825.52/2,928.05
  6. Step 6: Final answer
    x = 2,304.20

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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.