Home / 3,546.79-5,320.55-1,357.36

Finding the Fourth Proportional to 3,546.79, 5,320.55 and 1,357.36

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Solution

The fourth proportional to 3,546.79, 5,320.55 and 1,357.36 is: 2,036.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.79 : 5,320.55 = 1,357.36 : x
  2. Step 2: Convert to fraction form
    3,546.79/5,320.55 = 1,357.36/x
  3. Step 3: Cross multiply
    3,546.79x = 5,320.55 × 1,357.36
  4. Step 4: Simplify right side
    3,546.79x = 7,221,894.96
  5. Step 5: Solve for x
    x = 7,221,894.96/3,546.79
  6. Step 6: Final answer
    x = 2,036.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.