Home / 3,878.29-5,816.35-1,569.25

Finding the Fourth Proportional to 3,878.29, 5,816.35 and 1,569.25

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Solution

The fourth proportional to 3,878.29, 5,816.35 and 1,569.25 is: 2,353.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878.29 : 5,816.35 = 1,569.25 : x
  2. Step 2: Convert to fraction form
    3,878.29/5,816.35 = 1,569.25/x
  3. Step 3: Cross multiply
    3,878.29x = 5,816.35 × 1,569.25
  4. Step 4: Simplify right side
    3,878.29x = 9,127,307.24
  5. Step 5: Solve for x
    x = 9,127,307.24/3,878.29
  6. Step 6: Final answer
    x = 2,353.44

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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.