Home / 3,386.15-5,078.45-1,630.06

Finding the Fourth Proportional to 3,386.15, 5,078.45 and 1,630.06

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Solution

The fourth proportional to 3,386.15, 5,078.45 and 1,630.06 is: 2,444.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.15 : 5,078.45 = 1,630.06 : x
  2. Step 2: Convert to fraction form
    3,386.15/5,078.45 = 1,630.06/x
  3. Step 3: Cross multiply
    3,386.15x = 5,078.45 × 1,630.06
  4. Step 4: Simplify right side
    3,386.15x = 8,278,160.02
  5. Step 5: Solve for x
    x = 8,278,160.02/3,386.15
  6. Step 6: Final answer
    x = 2,444.71

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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.