Home / 2,127.64-3,182.64-1,925.14

Finding the Fourth Proportional to 2,127.64, 3,182.64 and 1,925.14

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Solution

The fourth proportional to 2,127.64, 3,182.64 and 1,925.14 is: 2,879.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.64 : 3,182.64 = 1,925.14 : x
  2. Step 2: Convert to fraction form
    2,127.64/3,182.64 = 1,925.14/x
  3. Step 3: Cross multiply
    2,127.64x = 3,182.64 × 1,925.14
  4. Step 4: Simplify right side
    2,127.64x = 6,127,027.57
  5. Step 5: Solve for x
    x = 6,127,027.57/2,127.64
  6. Step 6: Final answer
    x = 2,879.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.