Home / 3,888.36-5,363.94-2,710.44

Finding the Fourth Proportional to 3,888.36, 5,363.94 and 2,710.44

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Solution

The fourth proportional to 3,888.36, 5,363.94 and 2,710.44 is: 3,739.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888.36 : 5,363.94 = 2,710.44 : x
  2. Step 2: Convert to fraction form
    3,888.36/5,363.94 = 2,710.44/x
  3. Step 3: Cross multiply
    3,888.36x = 5,363.94 × 2,710.44
  4. Step 4: Simplify right side
    3,888.36x = 14,538,637.53
  5. Step 5: Solve for x
    x = 14,538,637.53/3,888.36
  6. Step 6: Final answer
    x = 3,739.02

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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.