Home / 2,986.86-4,475.16-2,330.04

Finding the Fourth Proportional to 2,986.86, 4,475.16 and 2,330.04

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Solution

The fourth proportional to 2,986.86, 4,475.16 and 2,330.04 is: 3,491.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986.86 : 4,475.16 = 2,330.04 : x
  2. Step 2: Convert to fraction form
    2,986.86/4,475.16 = 2,330.04/x
  3. Step 3: Cross multiply
    2,986.86x = 4,475.16 × 2,330.04
  4. Step 4: Simplify right side
    2,986.86x = 10,427,301.81
  5. Step 5: Solve for x
    x = 10,427,301.81/2,986.86
  6. Step 6: Final answer
    x = 3,491.06

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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.