Home / 3,946-5,445.52-2,374.16

Finding the Fourth Proportional to 3,946, 5,445.52 and 2,374.16

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Solution

The fourth proportional to 3,946, 5,445.52 and 2,374.16 is: 3,276.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946 : 5,445.52 = 2,374.16 : x
  2. Step 2: Convert to fraction form
    3,946/5,445.52 = 2,374.16/x
  3. Step 3: Cross multiply
    3,946x = 5,445.52 × 2,374.16
  4. Step 4: Simplify right side
    3,946x = 12,928,535.76
  5. Step 5: Solve for x
    x = 12,928,535.76/3,946
  6. Step 6: Final answer
    x = 3,276.36

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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.