Home / 3,144.18-4,339.86-1,885.65

Finding the Fourth Proportional to 3,144.18, 4,339.86 and 1,885.65

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Solution

The fourth proportional to 3,144.18, 4,339.86 and 1,885.65 is: 2,602.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.18 : 4,339.86 = 1,885.65 : x
  2. Step 2: Convert to fraction form
    3,144.18/4,339.86 = 1,885.65/x
  3. Step 3: Cross multiply
    3,144.18x = 4,339.86 × 1,885.65
  4. Step 4: Simplify right side
    3,144.18x = 8,183,457.01
  5. Step 5: Solve for x
    x = 8,183,457.01/3,144.18
  6. Step 6: Final answer
    x = 2,602.73

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Double scale
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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.