Home / 1,845.20-2,782.22-1,614.80

Finding the Fourth Proportional to 1,845.20, 2,782.22 and 1,614.80

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Solution

The fourth proportional to 1,845.20, 2,782.22 and 1,614.80 is: 2,434.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.20 : 2,782.22 = 1,614.80 : x
  2. Step 2: Convert to fraction form
    1,845.20/2,782.22 = 1,614.80/x
  3. Step 3: Cross multiply
    1,845.20x = 2,782.22 × 1,614.80
  4. Step 4: Simplify right side
    1,845.20x = 4,492,728.86
  5. Step 5: Solve for x
    x = 4,492,728.86/1,845.20
  6. Step 6: Final answer
    x = 2,434.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.