Home / 2,027.54-2,798.71-1,188.52

Finding the Fourth Proportional to 2,027.54, 2,798.71 and 1,188.52

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Solution

The fourth proportional to 2,027.54, 2,798.71 and 1,188.52 is: 1,640.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.54 : 2,798.71 = 1,188.52 : x
  2. Step 2: Convert to fraction form
    2,027.54/2,798.71 = 1,188.52/x
  3. Step 3: Cross multiply
    2,027.54x = 2,798.71 × 1,188.52
  4. Step 4: Simplify right side
    2,027.54x = 3,326,312.84
  5. Step 5: Solve for x
    x = 3,326,312.84/2,027.54
  6. Step 6: Final answer
    x = 1,640.56

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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.