Home / 2,673.19-4,007.12-1,286.13

Finding the Fourth Proportional to 2,673.19, 4,007.12 and 1,286.13

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Solution

The fourth proportional to 2,673.19, 4,007.12 and 1,286.13 is: 1,927.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.19 : 4,007.12 = 1,286.13 : x
  2. Step 2: Convert to fraction form
    2,673.19/4,007.12 = 1,286.13/x
  3. Step 3: Cross multiply
    2,673.19x = 4,007.12 × 1,286.13
  4. Step 4: Simplify right side
    2,673.19x = 5,153,670.81
  5. Step 5: Solve for x
    x = 5,153,670.81/2,673.19
  6. Step 6: Final answer
    x = 1,927.91

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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.