Home / 3,047.18-4,571.70-1,291.28

Finding the Fourth Proportional to 3,047.18, 4,571.70 and 1,291.28

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Solution

The fourth proportional to 3,047.18, 4,571.70 and 1,291.28 is: 1,937.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.18 : 4,571.70 = 1,291.28 : x
  2. Step 2: Convert to fraction form
    3,047.18/4,571.70 = 1,291.28/x
  3. Step 3: Cross multiply
    3,047.18x = 4,571.70 × 1,291.28
  4. Step 4: Simplify right side
    3,047.18x = 5,903,344.78
  5. Step 5: Solve for x
    x = 5,903,344.78/3,047.18
  6. Step 6: Final answer
    x = 1,937.31

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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.