Home / 3,908.30-5,864.67-1,442.79

Finding the Fourth Proportional to 3,908.30, 5,864.67 and 1,442.79

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Solution

The fourth proportional to 3,908.30, 5,864.67 and 1,442.79 is: 2,165.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.30 : 5,864.67 = 1,442.79 : x
  2. Step 2: Convert to fraction form
    3,908.30/5,864.67 = 1,442.79/x
  3. Step 3: Cross multiply
    3,908.30x = 5,864.67 × 1,442.79
  4. Step 4: Simplify right side
    3,908.30x = 8,461,487.23
  5. Step 5: Solve for x
    x = 8,461,487.23/3,908.30
  6. Step 6: Final answer
    x = 2,165.01

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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.