Home / 2,681.28-4,017.60-2,273.28

Finding the Fourth Proportional to 2,681.28, 4,017.60 and 2,273.28

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Solution

The fourth proportional to 2,681.28, 4,017.60 and 2,273.28 is: 3,406.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.28 : 4,017.60 = 2,273.28 : x
  2. Step 2: Convert to fraction form
    2,681.28/4,017.60 = 2,273.28/x
  3. Step 3: Cross multiply
    2,681.28x = 4,017.60 × 2,273.28
  4. Step 4: Simplify right side
    2,681.28x = 9,133,129.73
  5. Step 5: Solve for x
    x = 9,133,129.73/2,681.28
  6. Step 6: Final answer
    x = 3,406.26

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1.5x scale

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.