Home / 1,579.01-2,177.33-1,106.75

Finding the Fourth Proportional to 1,579.01, 2,177.33 and 1,106.75

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Solution

The fourth proportional to 1,579.01, 2,177.33 and 1,106.75 is: 1,526.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.01 : 2,177.33 = 1,106.75 : x
  2. Step 2: Convert to fraction form
    1,579.01/2,177.33 = 1,106.75/x
  3. Step 3: Cross multiply
    1,579.01x = 2,177.33 × 1,106.75
  4. Step 4: Simplify right side
    1,579.01x = 2,409,743.56
  5. Step 5: Solve for x
    x = 2,409,743.56/1,579.01
  6. Step 6: Final answer
    x = 1,526.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.