Home / 3,039.70-4,194.30-1,713.40

Finding the Fourth Proportional to 3,039.70, 4,194.30 and 1,713.40

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Solution

The fourth proportional to 3,039.70, 4,194.30 and 1,713.40 is: 2,364.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.70 : 4,194.30 = 1,713.40 : x
  2. Step 2: Convert to fraction form
    3,039.70/4,194.30 = 1,713.40/x
  3. Step 3: Cross multiply
    3,039.70x = 4,194.30 × 1,713.40
  4. Step 4: Simplify right side
    3,039.70x = 7,186,513.62
  5. Step 5: Solve for x
    x = 7,186,513.62/3,039.70
  6. Step 6: Final answer
    x = 2,364.22

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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.