Home / 2,155.97-2,976.60-1,492.58

Finding the Fourth Proportional to 2,155.97, 2,976.60 and 1,492.58

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Solution

The fourth proportional to 2,155.97, 2,976.60 and 1,492.58 is: 2,060.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155.97 : 2,976.60 = 1,492.58 : x
  2. Step 2: Convert to fraction form
    2,155.97/2,976.60 = 1,492.58/x
  3. Step 3: Cross multiply
    2,155.97x = 2,976.60 × 1,492.58
  4. Step 4: Simplify right side
    2,155.97x = 4,442,798.75
  5. Step 5: Solve for x
    x = 4,442,798.75/2,155.97
  6. Step 6: Final answer
    x = 2,060.70

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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.