Home / 3,862.14-5,814.31-2,637.30

Finding the Fourth Proportional to 3,862.14, 5,814.31 and 2,637.30

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Solution

The fourth proportional to 3,862.14, 5,814.31 and 2,637.30 is: 3,970.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.14 : 5,814.31 = 2,637.30 : x
  2. Step 2: Convert to fraction form
    3,862.14/5,814.31 = 2,637.30/x
  3. Step 3: Cross multiply
    3,862.14x = 5,814.31 × 2,637.30
  4. Step 4: Simplify right side
    3,862.14x = 15,334,079.76
  5. Step 5: Solve for x
    x = 15,334,079.76/3,862.14
  6. Step 6: Final answer
    x = 3,970.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.