Home / 3,509.42-4,842.90-1,937.48

Finding the Fourth Proportional to 3,509.42, 4,842.90 and 1,937.48

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Solution

The fourth proportional to 3,509.42, 4,842.90 and 1,937.48 is: 2,673.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.42 : 4,842.90 = 1,937.48 : x
  2. Step 2: Convert to fraction form
    3,509.42/4,842.90 = 1,937.48/x
  3. Step 3: Cross multiply
    3,509.42x = 4,842.90 × 1,937.48
  4. Step 4: Simplify right side
    3,509.42x = 9,382,997.68
  5. Step 5: Solve for x
    x = 9,382,997.68/3,509.42
  6. Step 6: Final answer
    x = 2,673.66

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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.