Home / 3,156.48-4,356-1,759.08

Finding the Fourth Proportional to 3,156.48, 4,356 and 1,759.08

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Solution

The fourth proportional to 3,156.48, 4,356 and 1,759.08 is: 2,427.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.48 : 4,356 = 1,759.08 : x
  2. Step 2: Convert to fraction form
    3,156.48/4,356 = 1,759.08/x
  3. Step 3: Cross multiply
    3,156.48x = 4,356 × 1,759.08
  4. Step 4: Simplify right side
    3,156.48x = 7,662,552.48
  5. Step 5: Solve for x
    x = 7,662,552.48/3,156.48
  6. Step 6: Final answer
    x = 2,427.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.