Home / 2,910.09-4,363.57-1,520.06

Finding the Fourth Proportional to 2,910.09, 4,363.57 and 1,520.06

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Solution

The fourth proportional to 2,910.09, 4,363.57 and 1,520.06 is: 2,279.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.09 : 4,363.57 = 1,520.06 : x
  2. Step 2: Convert to fraction form
    2,910.09/4,363.57 = 1,520.06/x
  3. Step 3: Cross multiply
    2,910.09x = 4,363.57 × 1,520.06
  4. Step 4: Simplify right side
    2,910.09x = 6,632,888.21
  5. Step 5: Solve for x
    x = 6,632,888.21/2,910.09
  6. Step 6: Final answer
    x = 2,279.27

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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.