Home / 3,687.49-5,083.35-2,801.74

Finding the Fourth Proportional to 3,687.49, 5,083.35 and 2,801.74

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Solution

The fourth proportional to 3,687.49, 5,083.35 and 2,801.74 is: 3,862.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.49 : 5,083.35 = 2,801.74 : x
  2. Step 2: Convert to fraction form
    3,687.49/5,083.35 = 2,801.74/x
  3. Step 3: Cross multiply
    3,687.49x = 5,083.35 × 2,801.74
  4. Step 4: Simplify right side
    3,687.49x = 14,242,225.03
  5. Step 5: Solve for x
    x = 14,242,225.03/3,687.49
  6. Step 6: Final answer
    x = 3,862.31

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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.