Home / 3,209.42-4,814.13-1,130.86

Finding the Fourth Proportional to 3,209.42, 4,814.13 and 1,130.86

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Solution

The fourth proportional to 3,209.42, 4,814.13 and 1,130.86 is: 1,696.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.42 : 4,814.13 = 1,130.86 : x
  2. Step 2: Convert to fraction form
    3,209.42/4,814.13 = 1,130.86/x
  3. Step 3: Cross multiply
    3,209.42x = 4,814.13 × 1,130.86
  4. Step 4: Simplify right side
    3,209.42x = 5,444,117.31
  5. Step 5: Solve for x
    x = 5,444,117.31/3,209.42
  6. Step 6: Final answer
    x = 1,696.29

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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.