Home / 2,177.54-3,006.52-1,672.55

Finding the Fourth Proportional to 2,177.54, 3,006.52 and 1,672.55

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Solution

The fourth proportional to 2,177.54, 3,006.52 and 1,672.55 is: 2,309.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.54 : 3,006.52 = 1,672.55 : x
  2. Step 2: Convert to fraction form
    2,177.54/3,006.52 = 1,672.55/x
  3. Step 3: Cross multiply
    2,177.54x = 3,006.52 × 1,672.55
  4. Step 4: Simplify right side
    2,177.54x = 5,028,535.81
  5. Step 5: Solve for x
    x = 5,028,535.81/2,177.54
  6. Step 6: Final answer
    x = 2,309.28

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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.