Home / 3,904-5,855.88-1,130.74

Finding the Fourth Proportional to 3,904, 5,855.88 and 1,130.74

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Solution

The fourth proportional to 3,904, 5,855.88 and 1,130.74 is: 1,696.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904 : 5,855.88 = 1,130.74 : x
  2. Step 2: Convert to fraction form
    3,904/5,855.88 = 1,130.74/x
  3. Step 3: Cross multiply
    3,904x = 5,855.88 × 1,130.74
  4. Step 4: Simplify right side
    3,904x = 6,621,477.75
  5. Step 5: Solve for x
    x = 6,621,477.75/3,904
  6. Step 6: Final answer
    x = 1,696.08

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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.