Home / 2,639.16-3,642.32-1,460.64

Finding the Fourth Proportional to 2,639.16, 3,642.32 and 1,460.64

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Solution

The fourth proportional to 2,639.16, 3,642.32 and 1,460.64 is: 2,015.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.16 : 3,642.32 = 1,460.64 : x
  2. Step 2: Convert to fraction form
    2,639.16/3,642.32 = 1,460.64/x
  3. Step 3: Cross multiply
    2,639.16x = 3,642.32 × 1,460.64
  4. Step 4: Simplify right side
    2,639.16x = 5,320,118.28
  5. Step 5: Solve for x
    x = 5,320,118.28/2,639.16
  6. Step 6: Final answer
    x = 2,015.84

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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.