Home / 1,709.62-2,359.14-1,001.38

Finding the Fourth Proportional to 1,709.62, 2,359.14 and 1,001.38

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Solution

The fourth proportional to 1,709.62, 2,359.14 and 1,001.38 is: 1,381.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709.62 : 2,359.14 = 1,001.38 : x
  2. Step 2: Convert to fraction form
    1,709.62/2,359.14 = 1,001.38/x
  3. Step 3: Cross multiply
    1,709.62x = 2,359.14 × 1,001.38
  4. Step 4: Simplify right side
    1,709.62x = 2,362,395.61
  5. Step 5: Solve for x
    x = 2,362,395.61/1,709.62
  6. Step 6: Final answer
    x = 1,381.82

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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.