Home / 2,177.16-3,001.67-1,580.51

Finding the Fourth Proportional to 2,177.16, 3,001.67 and 1,580.51

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Solution

The fourth proportional to 2,177.16, 3,001.67 and 1,580.51 is: 2,179.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.16 : 3,001.67 = 1,580.51 : x
  2. Step 2: Convert to fraction form
    2,177.16/3,001.67 = 1,580.51/x
  3. Step 3: Cross multiply
    2,177.16x = 3,001.67 × 1,580.51
  4. Step 4: Simplify right side
    2,177.16x = 4,744,169.05
  5. Step 5: Solve for x
    x = 4,744,169.05/2,177.16
  6. Step 6: Final answer
    x = 2,179.06

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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.