Home / 2,639.49-3,642.47-1,460.53

Finding the Fourth Proportional to 2,639.49, 3,642.47 and 1,460.53

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Solution

The fourth proportional to 2,639.49, 3,642.47 and 1,460.53 is: 2,015.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.49 : 3,642.47 = 1,460.53 : x
  2. Step 2: Convert to fraction form
    2,639.49/3,642.47 = 1,460.53/x
  3. Step 3: Cross multiply
    2,639.49x = 3,642.47 × 1,460.53
  4. Step 4: Simplify right side
    2,639.49x = 5,319,939.44
  5. Step 5: Solve for x
    x = 5,319,939.44/2,639.49
  6. Step 6: Final answer
    x = 2,015.52

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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.