Home / 2,910.03-4,364.70-830.35

Finding the Fourth Proportional to 2,910.03, 4,364.70 and 830.35

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Solution

The fourth proportional to 2,910.03, 4,364.70 and 830.35 is: 1,245.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.03 : 4,364.70 = 830.35 : x
  2. Step 2: Convert to fraction form
    2,910.03/4,364.70 = 830.35/x
  3. Step 3: Cross multiply
    2,910.03x = 4,364.70 × 830.35
  4. Step 4: Simplify right side
    2,910.03x = 3,624,228.65
  5. Step 5: Solve for x
    x = 3,624,228.65/2,910.03
  6. Step 6: Final answer
    x = 1,245.43

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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.