Home / 3,133.06-4,700.40-1,402.90

Finding the Fourth Proportional to 3,133.06, 4,700.40 and 1,402.90

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Solution

The fourth proportional to 3,133.06, 4,700.40 and 1,402.90 is: 2,104.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.06 : 4,700.40 = 1,402.90 : x
  2. Step 2: Convert to fraction form
    3,133.06/4,700.40 = 1,402.90/x
  3. Step 3: Cross multiply
    3,133.06x = 4,700.40 × 1,402.90
  4. Step 4: Simplify right side
    3,133.06x = 6,594,191.16
  5. Step 5: Solve for x
    x = 6,594,191.16/3,133.06
  6. Step 6: Final answer
    x = 2,104.71

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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.