Home / 1,975.35-2,724.30-1,479.15

Finding the Fourth Proportional to 1,975.35, 2,724.30 and 1,479.15

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Solution

The fourth proportional to 1,975.35, 2,724.30 and 1,479.15 is: 2,039.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.35 : 2,724.30 = 1,479.15 : x
  2. Step 2: Convert to fraction form
    1,975.35/2,724.30 = 1,479.15/x
  3. Step 3: Cross multiply
    1,975.35x = 2,724.30 × 1,479.15
  4. Step 4: Simplify right side
    1,975.35x = 4,029,648.35
  5. Step 5: Solve for x
    x = 4,029,648.35/1,975.35
  6. Step 6: Final answer
    x = 2,039.97

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1.5x scale

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.