Home / 3,509.22-4,842.60-1,937.28

Finding the Fourth Proportional to 3,509.22, 4,842.60 and 1,937.28

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Solution

The fourth proportional to 3,509.22, 4,842.60 and 1,937.28 is: 2,673.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.22 : 4,842.60 = 1,937.28 : x
  2. Step 2: Convert to fraction form
    3,509.22/4,842.60 = 1,937.28/x
  3. Step 3: Cross multiply
    3,509.22x = 4,842.60 × 1,937.28
  4. Step 4: Simplify right side
    3,509.22x = 9,381,493.92
  5. Step 5: Solve for x
    x = 9,381,493.92/3,509.22
  6. Step 6: Final answer
    x = 2,673.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.