Home / 2,078.06-2,867.68-1,133.86

Finding the Fourth Proportional to 2,078.06, 2,867.68 and 1,133.86

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Solution

The fourth proportional to 2,078.06, 2,867.68 and 1,133.86 is: 1,564.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078.06 : 2,867.68 = 1,133.86 : x
  2. Step 2: Convert to fraction form
    2,078.06/2,867.68 = 1,133.86/x
  3. Step 3: Cross multiply
    2,078.06x = 2,867.68 × 1,133.86
  4. Step 4: Simplify right side
    2,078.06x = 3,251,547.64
  5. Step 5: Solve for x
    x = 3,251,547.64/2,078.06
  6. Step 6: Final answer
    x = 1,564.70

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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.