Home / 1,625.05-2,437.39-470.80

Finding the Fourth Proportional to 1,625.05, 2,437.39 and 470.80

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Solution

The fourth proportional to 1,625.05, 2,437.39 and 470.80 is: 706.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.05 : 2,437.39 = 470.80 : x
  2. Step 2: Convert to fraction form
    1,625.05/2,437.39 = 470.80/x
  3. Step 3: Cross multiply
    1,625.05x = 2,437.39 × 470.80
  4. Step 4: Simplify right side
    1,625.05x = 1,147,523.21
  5. Step 5: Solve for x
    x = 1,147,523.21/1,625.05
  6. Step 6: Final answer
    x = 706.15

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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.