Home / 3,333.26-4,999.88-3,130.28

Finding the Fourth Proportional to 3,333.26, 4,999.88 and 3,130.28

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Solution

The fourth proportional to 3,333.26, 4,999.88 and 3,130.28 is: 4,695.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333.26 : 4,999.88 = 3,130.28 : x
  2. Step 2: Convert to fraction form
    3,333.26/4,999.88 = 3,130.28/x
  3. Step 3: Cross multiply
    3,333.26x = 4,999.88 × 3,130.28
  4. Step 4: Simplify right side
    3,333.26x = 15,650,983.72
  5. Step 5: Solve for x
    x = 15,650,983.72/3,333.26
  6. Step 6: Final answer
    x = 4,695.41

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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.