Home / 2,910.21-4,366.13-1,612.59

Finding the Fourth Proportional to 2,910.21, 4,366.13 and 1,612.59

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Solution

The fourth proportional to 2,910.21, 4,366.13 and 1,612.59 is: 2,419.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.21 : 4,366.13 = 1,612.59 : x
  2. Step 2: Convert to fraction form
    2,910.21/4,366.13 = 1,612.59/x
  3. Step 3: Cross multiply
    2,910.21x = 4,366.13 × 1,612.59
  4. Step 4: Simplify right side
    2,910.21x = 7,040,777.58
  5. Step 5: Solve for x
    x = 7,040,777.58/2,910.21
  6. Step 6: Final answer
    x = 2,419.34

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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.