Home / 3,904.08-5,855.40-1,306.32

Finding the Fourth Proportional to 3,904.08, 5,855.40 and 1,306.32

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Solution

The fourth proportional to 3,904.08, 5,855.40 and 1,306.32 is: 1,959.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.08 : 5,855.40 = 1,306.32 : x
  2. Step 2: Convert to fraction form
    3,904.08/5,855.40 = 1,306.32/x
  3. Step 3: Cross multiply
    3,904.08x = 5,855.40 × 1,306.32
  4. Step 4: Simplify right side
    3,904.08x = 7,649,026.13
  5. Step 5: Solve for x
    x = 7,649,026.13/3,904.08
  6. Step 6: Final answer
    x = 1,959.24

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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.