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Finding the Fourth Proportional to 3,888.94, 5,365.21 and 2,394.26

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Solution

The fourth proportional to 3,888.94, 5,365.21 and 2,394.26 is: 3,303.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888.94 : 5,365.21 = 2,394.26 : x
  2. Step 2: Convert to fraction form
    3,888.94/5,365.21 = 2,394.26/x
  3. Step 3: Cross multiply
    3,888.94x = 5,365.21 × 2,394.26
  4. Step 4: Simplify right side
    3,888.94x = 12,845,707.69
  5. Step 5: Solve for x
    x = 12,845,707.69/3,888.94
  6. Step 6: Final answer
    x = 3,303.14

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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.