Home / 3,549.05-5,323.40-1,357.61

Finding the Fourth Proportional to 3,549.05, 5,323.40 and 1,357.61

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Solution

The fourth proportional to 3,549.05, 5,323.40 and 1,357.61 is: 2,036.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.05 : 5,323.40 = 1,357.61 : x
  2. Step 2: Convert to fraction form
    3,549.05/5,323.40 = 1,357.61/x
  3. Step 3: Cross multiply
    3,549.05x = 5,323.40 × 1,357.61
  4. Step 4: Simplify right side
    3,549.05x = 7,227,094.29
  5. Step 5: Solve for x
    x = 7,227,094.29/3,549.05
  6. Step 6: Final answer
    x = 2,036.35

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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.