Home / 3,164.56-4,746.90-1,086.95

Finding the Fourth Proportional to 3,164.56, 4,746.90 and 1,086.95

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Solution

The fourth proportional to 3,164.56, 4,746.90 and 1,086.95 is: 1,630.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.56 : 4,746.90 = 1,086.95 : x
  2. Step 2: Convert to fraction form
    3,164.56/4,746.90 = 1,086.95/x
  3. Step 3: Cross multiply
    3,164.56x = 4,746.90 × 1,086.95
  4. Step 4: Simplify right side
    3,164.56x = 5,159,642.96
  5. Step 5: Solve for x
    x = 5,159,642.96/3,164.56
  6. Step 6: Final answer
    x = 1,630.45

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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.