Home / 3,528.41-4,866.98-2,687.63

Finding the Fourth Proportional to 3,528.41, 4,866.98 and 2,687.63

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Solution

The fourth proportional to 3,528.41, 4,866.98 and 2,687.63 is: 3,707.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.41 : 4,866.98 = 2,687.63 : x
  2. Step 2: Convert to fraction form
    3,528.41/4,866.98 = 2,687.63/x
  3. Step 3: Cross multiply
    3,528.41x = 4,866.98 × 2,687.63
  4. Step 4: Simplify right side
    3,528.41x = 13,080,603.68
  5. Step 5: Solve for x
    x = 13,080,603.68/3,528.41
  6. Step 6: Final answer
    x = 3,707.23

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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.