Home / 3,064.86-4,229.67-1,805.64

Finding the Fourth Proportional to 3,064.86, 4,229.67 and 1,805.64

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Solution

The fourth proportional to 3,064.86, 4,229.67 and 1,805.64 is: 2,491.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,064.86 : 4,229.67 = 1,805.64 : x
  2. Step 2: Convert to fraction form
    3,064.86/4,229.67 = 1,805.64/x
  3. Step 3: Cross multiply
    3,064.86x = 4,229.67 × 1,805.64
  4. Step 4: Simplify right side
    3,064.86x = 7,637,261.34
  5. Step 5: Solve for x
    x = 7,637,261.34/3,064.86
  6. Step 6: Final answer
    x = 2,491.88

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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.