Home / 2,644.36-3,967.09-1,000.87

Finding the Fourth Proportional to 2,644.36, 3,967.09 and 1,000.87

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Solution

The fourth proportional to 2,644.36, 3,967.09 and 1,000.87 is: 1,501.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644.36 : 3,967.09 = 1,000.87 : x
  2. Step 2: Convert to fraction form
    2,644.36/3,967.09 = 1,000.87/x
  3. Step 3: Cross multiply
    2,644.36x = 3,967.09 × 1,000.87
  4. Step 4: Simplify right side
    2,644.36x = 3,970,528.95
  5. Step 5: Solve for x
    x = 3,970,528.95/2,644.36
  6. Step 6: Final answer
    x = 1,501.51

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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.