Home / 2,886.35-4,305.21-2,418.71

Finding the Fourth Proportional to 2,886.35, 4,305.21 and 2,418.71

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Solution

The fourth proportional to 2,886.35, 4,305.21 and 2,418.71 is: 3,607.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.35 : 4,305.21 = 2,418.71 : x
  2. Step 2: Convert to fraction form
    2,886.35/4,305.21 = 2,418.71/x
  3. Step 3: Cross multiply
    2,886.35x = 4,305.21 × 2,418.71
  4. Step 4: Simplify right side
    2,886.35x = 10,413,023.88
  5. Step 5: Solve for x
    x = 10,413,023.88/2,886.35
  6. Step 6: Final answer
    x = 3,607.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.