Home / 3,625.14-5,437.80-1,777.80

Finding the Fourth Proportional to 3,625.14, 5,437.80 and 1,777.80

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Solution

The fourth proportional to 3,625.14, 5,437.80 and 1,777.80 is: 2,666.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.14 : 5,437.80 = 1,777.80 : x
  2. Step 2: Convert to fraction form
    3,625.14/5,437.80 = 1,777.80/x
  3. Step 3: Cross multiply
    3,625.14x = 5,437.80 × 1,777.80
  4. Step 4: Simplify right side
    3,625.14x = 9,667,320.84
  5. Step 5: Solve for x
    x = 9,667,320.84/3,625.14
  6. Step 6: Final answer
    x = 2,666.74

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1.5x scale

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.