Home / 3,078.16-4,618.32-1,434.58

Finding the Fourth Proportional to 3,078.16, 4,618.32 and 1,434.58

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Solution

The fourth proportional to 3,078.16, 4,618.32 and 1,434.58 is: 2,152.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.16 : 4,618.32 = 1,434.58 : x
  2. Step 2: Convert to fraction form
    3,078.16/4,618.32 = 1,434.58/x
  3. Step 3: Cross multiply
    3,078.16x = 4,618.32 × 1,434.58
  4. Step 4: Simplify right side
    3,078.16x = 6,625,349.51
  5. Step 5: Solve for x
    x = 6,625,349.51/3,078.16
  6. Step 6: Final answer
    x = 2,152.37

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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.