Home / 2,076.69-2,863.63-1,330.68

Finding the Fourth Proportional to 2,076.69, 2,863.63 and 1,330.68

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Solution

The fourth proportional to 2,076.69, 2,863.63 and 1,330.68 is: 1,834.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.69 : 2,863.63 = 1,330.68 : x
  2. Step 2: Convert to fraction form
    2,076.69/2,863.63 = 1,330.68/x
  3. Step 3: Cross multiply
    2,076.69x = 2,863.63 × 1,330.68
  4. Step 4: Simplify right side
    2,076.69x = 3,810,575.17
  5. Step 5: Solve for x
    x = 3,810,575.17/2,076.69
  6. Step 6: Final answer
    x = 1,834.93

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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.