Home / 3,436.48-4,742.36-1,864.56

Finding the Fourth Proportional to 3,436.48, 4,742.36 and 1,864.56

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Solution

The fourth proportional to 3,436.48, 4,742.36 and 1,864.56 is: 2,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.48 : 4,742.36 = 1,864.56 : x
  2. Step 2: Convert to fraction form
    3,436.48/4,742.36 = 1,864.56/x
  3. Step 3: Cross multiply
    3,436.48x = 4,742.36 × 1,864.56
  4. Step 4: Simplify right side
    3,436.48x = 8,842,414.76
  5. Step 5: Solve for x
    x = 8,842,414.76/3,436.48
  6. Step 6: Final answer
    x = 2,573.10

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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.