Home / 2,679.96-4,020.39-1,036.35

Finding the Fourth Proportional to 2,679.96, 4,020.39 and 1,036.35

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Solution

The fourth proportional to 2,679.96, 4,020.39 and 1,036.35 is: 1,554.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679.96 : 4,020.39 = 1,036.35 : x
  2. Step 2: Convert to fraction form
    2,679.96/4,020.39 = 1,036.35/x
  3. Step 3: Cross multiply
    2,679.96x = 4,020.39 × 1,036.35
  4. Step 4: Simplify right side
    2,679.96x = 4,166,531.18
  5. Step 5: Solve for x
    x = 4,166,531.18/2,679.96
  6. Step 6: Final answer
    x = 1,554.70

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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.