Home / 3,963.04-5,466.40-2,390.08

Finding the Fourth Proportional to 3,963.04, 5,466.40 and 2,390.08

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Solution

The fourth proportional to 3,963.04, 5,466.40 and 2,390.08 is: 3,296.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.04 : 5,466.40 = 2,390.08 : x
  2. Step 2: Convert to fraction form
    3,963.04/5,466.40 = 2,390.08/x
  3. Step 3: Cross multiply
    3,963.04x = 5,466.40 × 2,390.08
  4. Step 4: Simplify right side
    3,963.04x = 13,065,133.31
  5. Step 5: Solve for x
    x = 13,065,133.31/3,963.04
  6. Step 6: Final answer
    x = 3,296.75

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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.