Home / 2,908.90-4,364.70-1,523.80

Finding the Fourth Proportional to 2,908.90, 4,364.70 and 1,523.80

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Solution

The fourth proportional to 2,908.90, 4,364.70 and 1,523.80 is: 2,286.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.90 : 4,364.70 = 1,523.80 : x
  2. Step 2: Convert to fraction form
    2,908.90/4,364.70 = 1,523.80/x
  3. Step 3: Cross multiply
    2,908.90x = 4,364.70 × 1,523.80
  4. Step 4: Simplify right side
    2,908.90x = 6,650,929.86
  5. Step 5: Solve for x
    x = 6,650,929.86/2,908.90
  6. Step 6: Final answer
    x = 2,286.41

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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.