Home / 3,217.16-4,825.36-877.08

Finding the Fourth Proportional to 3,217.16, 4,825.36 and 877.08

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Solution

The fourth proportional to 3,217.16, 4,825.36 and 877.08 is: 1,315.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.16 : 4,825.36 = 877.08 : x
  2. Step 2: Convert to fraction form
    3,217.16/4,825.36 = 877.08/x
  3. Step 3: Cross multiply
    3,217.16x = 4,825.36 × 877.08
  4. Step 4: Simplify right side
    3,217.16x = 4,232,226.75
  5. Step 5: Solve for x
    x = 4,232,226.75/3,217.16
  6. Step 6: Final answer
    x = 1,315.52

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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.