Home / 2,681.28-4,020.30-1,036.44

Finding the Fourth Proportional to 2,681.28, 4,020.30 and 1,036.44

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Solution

The fourth proportional to 2,681.28, 4,020.30 and 1,036.44 is: 1,554.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.28 : 4,020.30 = 1,036.44 : x
  2. Step 2: Convert to fraction form
    2,681.28/4,020.30 = 1,036.44/x
  3. Step 3: Cross multiply
    2,681.28x = 4,020.30 × 1,036.44
  4. Step 4: Simplify right side
    2,681.28x = 4,166,799.73
  5. Step 5: Solve for x
    x = 4,166,799.73/2,681.28
  6. Step 6: Final answer
    x = 1,554.03

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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.