Home / 3,185.06-4,776.30-992.93

Finding the Fourth Proportional to 3,185.06, 4,776.30 and 992.93

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Solution

The fourth proportional to 3,185.06, 4,776.30 and 992.93 is: 1,488.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.06 : 4,776.30 = 992.93 : x
  2. Step 2: Convert to fraction form
    3,185.06/4,776.30 = 992.93/x
  3. Step 3: Cross multiply
    3,185.06x = 4,776.30 × 992.93
  4. Step 4: Simplify right side
    3,185.06x = 4,742,507.68
  5. Step 5: Solve for x
    x = 4,742,507.68/3,185.06
  6. Step 6: Final answer
    x = 1,488.99

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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.