Home / 2,036.70-2,809.08-1,372.50

Finding the Fourth Proportional to 2,036.70, 2,809.08 and 1,372.50

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Solution

The fourth proportional to 2,036.70, 2,809.08 and 1,372.50 is: 1,892.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.70 : 2,809.08 = 1,372.50 : x
  2. Step 2: Convert to fraction form
    2,036.70/2,809.08 = 1,372.50/x
  3. Step 3: Cross multiply
    2,036.70x = 2,809.08 × 1,372.50
  4. Step 4: Simplify right side
    2,036.70x = 3,855,462.30
  5. Step 5: Solve for x
    x = 3,855,462.30/2,036.70
  6. Step 6: Final answer
    x = 1,892.99

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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.