Home / 1,837.40-2,533.94-1,207.68

Finding the Fourth Proportional to 1,837.40, 2,533.94 and 1,207.68

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Solution

The fourth proportional to 1,837.40, 2,533.94 and 1,207.68 is: 1,665.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.40 : 2,533.94 = 1,207.68 : x
  2. Step 2: Convert to fraction form
    1,837.40/2,533.94 = 1,207.68/x
  3. Step 3: Cross multiply
    1,837.40x = 2,533.94 × 1,207.68
  4. Step 4: Simplify right side
    1,837.40x = 3,060,182.62
  5. Step 5: Solve for x
    x = 3,060,182.62/1,837.40
  6. Step 6: Final answer
    x = 1,665.49

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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.