Home / 3,133.89-4,700.50-1,284.86

Finding the Fourth Proportional to 3,133.89, 4,700.50 and 1,284.86

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Solution

The fourth proportional to 3,133.89, 4,700.50 and 1,284.86 is: 1,927.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.89 : 4,700.50 = 1,284.86 : x
  2. Step 2: Convert to fraction form
    3,133.89/4,700.50 = 1,284.86/x
  3. Step 3: Cross multiply
    3,133.89x = 4,700.50 × 1,284.86
  4. Step 4: Simplify right side
    3,133.89x = 6,039,492.97
  5. Step 5: Solve for x
    x = 6,039,492.97/3,133.89
  6. Step 6: Final answer
    x = 1,927.16

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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.