Home / 2,639.45-3,642.29-1,460.44

Finding the Fourth Proportional to 2,639.45, 3,642.29 and 1,460.44

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Solution

The fourth proportional to 2,639.45, 3,642.29 and 1,460.44 is: 2,015.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.45 : 3,642.29 = 1,460.44 : x
  2. Step 2: Convert to fraction form
    2,639.45/3,642.29 = 1,460.44/x
  3. Step 3: Cross multiply
    2,639.45x = 3,642.29 × 1,460.44
  4. Step 4: Simplify right side
    2,639.45x = 5,319,346.01
  5. Step 5: Solve for x
    x = 5,319,346.01/2,639.45
  6. Step 6: Final answer
    x = 2,015.32

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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.