Home / 2,177.63-3,005.01-1,182.87

Finding the Fourth Proportional to 2,177.63, 3,005.01 and 1,182.87

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Solution

The fourth proportional to 2,177.63, 3,005.01 and 1,182.87 is: 1,632.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.63 : 3,005.01 = 1,182.87 : x
  2. Step 2: Convert to fraction form
    2,177.63/3,005.01 = 1,182.87/x
  3. Step 3: Cross multiply
    2,177.63x = 3,005.01 × 1,182.87
  4. Step 4: Simplify right side
    2,177.63x = 3,554,536.18
  5. Step 5: Solve for x
    x = 3,554,536.18/2,177.63
  6. Step 6: Final answer
    x = 1,632.30

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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.