Home / 2,135.62-2,943.93-1,669.06

Finding the Fourth Proportional to 2,135.62, 2,943.93 and 1,669.06

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Solution

The fourth proportional to 2,135.62, 2,943.93 and 1,669.06 is: 2,300.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.62 : 2,943.93 = 1,669.06 : x
  2. Step 2: Convert to fraction form
    2,135.62/2,943.93 = 1,669.06/x
  3. Step 3: Cross multiply
    2,135.62x = 2,943.93 × 1,669.06
  4. Step 4: Simplify right side
    2,135.62x = 4,913,595.81
  5. Step 5: Solve for x
    x = 4,913,595.81/2,135.62
  6. Step 6: Final answer
    x = 2,300.78

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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.