Home / 2,126.99-2,935.08-1,182.77

Finding the Fourth Proportional to 2,126.99, 2,935.08 and 1,182.77

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Solution

The fourth proportional to 2,126.99, 2,935.08 and 1,182.77 is: 1,632.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.99 : 2,935.08 = 1,182.77 : x
  2. Step 2: Convert to fraction form
    2,126.99/2,935.08 = 1,182.77/x
  3. Step 3: Cross multiply
    2,126.99x = 2,935.08 × 1,182.77
  4. Step 4: Simplify right side
    2,126.99x = 3,471,520.90
  5. Step 5: Solve for x
    x = 3,471,520.90/2,126.99
  6. Step 6: Final answer
    x = 1,632.13

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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.