Home / 2,928.28-4,393.14-1,173.40

Finding the Fourth Proportional to 2,928.28, 4,393.14 and 1,173.40

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Solution

The fourth proportional to 2,928.28, 4,393.14 and 1,173.40 is: 1,760.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.28 : 4,393.14 = 1,173.40 : x
  2. Step 2: Convert to fraction form
    2,928.28/4,393.14 = 1,173.40/x
  3. Step 3: Cross multiply
    2,928.28x = 4,393.14 × 1,173.40
  4. Step 4: Simplify right side
    2,928.28x = 5,154,910.48
  5. Step 5: Solve for x
    x = 5,154,910.48/2,928.28
  6. Step 6: Final answer
    x = 1,760.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.