Home / 2,931.08-4,399.70-1,763.93

Finding the Fourth Proportional to 2,931.08, 4,399.70 and 1,763.93

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Solution

The fourth proportional to 2,931.08, 4,399.70 and 1,763.93 is: 2,647.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.08 : 4,399.70 = 1,763.93 : x
  2. Step 2: Convert to fraction form
    2,931.08/4,399.70 = 1,763.93/x
  3. Step 3: Cross multiply
    2,931.08x = 4,399.70 × 1,763.93
  4. Step 4: Simplify right side
    2,931.08x = 7,760,765.00
  5. Step 5: Solve for x
    x = 7,760,765.00/2,931.08
  6. Step 6: Final answer
    x = 2,647.75

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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.