Home / 2,126.83-2,935.07-1,182.70

Finding the Fourth Proportional to 2,126.83, 2,935.07 and 1,182.70

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Solution

The fourth proportional to 2,126.83, 2,935.07 and 1,182.70 is: 1,632.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.83 : 2,935.07 = 1,182.70 : x
  2. Step 2: Convert to fraction form
    2,126.83/2,935.07 = 1,182.70/x
  3. Step 3: Cross multiply
    2,126.83x = 2,935.07 × 1,182.70
  4. Step 4: Simplify right side
    2,126.83x = 3,471,301.38
  5. Step 5: Solve for x
    x = 3,471,301.38/2,126.83
  6. Step 6: Final answer
    x = 1,632.15

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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.