Home / 2,639.66-3,642.57-1,460.70

Finding the Fourth Proportional to 2,639.66, 3,642.57 and 1,460.70

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Solution

The fourth proportional to 2,639.66, 3,642.57 and 1,460.70 is: 2,015.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.66 : 3,642.57 = 1,460.70 : x
  2. Step 2: Convert to fraction form
    2,639.66/3,642.57 = 1,460.70/x
  3. Step 3: Cross multiply
    2,639.66x = 3,642.57 × 1,460.70
  4. Step 4: Simplify right side
    2,639.66x = 5,320,702.00
  5. Step 5: Solve for x
    x = 5,320,702.00/2,639.66
  6. Step 6: Final answer
    x = 2,015.68

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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.