Home / 4,159.73-5,732.54-2,978.75

Finding the Fourth Proportional to 4,159.73, 5,732.54 and 2,978.75

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Solution

The fourth proportional to 4,159.73, 5,732.54 and 2,978.75 is: 4,105.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.73 : 5,732.54 = 2,978.75 : x
  2. Step 2: Convert to fraction form
    4,159.73/5,732.54 = 2,978.75/x
  3. Step 3: Cross multiply
    4,159.73x = 5,732.54 × 2,978.75
  4. Step 4: Simplify right side
    4,159.73x = 17,075,814.13
  5. Step 5: Solve for x
    x = 17,075,814.13/4,159.73
  6. Step 6: Final answer
    x = 4,105.03

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1.5x scale

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.