Home / 2,418.12-3,332.34-1,630.80

Finding the Fourth Proportional to 2,418.12, 3,332.34 and 1,630.80

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Solution

The fourth proportional to 2,418.12, 3,332.34 and 1,630.80 is: 2,247.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.12 : 3,332.34 = 1,630.80 : x
  2. Step 2: Convert to fraction form
    2,418.12/3,332.34 = 1,630.80/x
  3. Step 3: Cross multiply
    2,418.12x = 3,332.34 × 1,630.80
  4. Step 4: Simplify right side
    2,418.12x = 5,434,380.07
  5. Step 5: Solve for x
    x = 5,434,380.07/2,418.12
  6. Step 6: Final answer
    x = 2,247.36

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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.