Home / 1,583.30-2,180.45-1,549.38

Finding the Fourth Proportional to 1,583.30, 2,180.45 and 1,549.38

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Solution

The fourth proportional to 1,583.30, 2,180.45 and 1,549.38 is: 2,133.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.30 : 2,180.45 = 1,549.38 : x
  2. Step 2: Convert to fraction form
    1,583.30/2,180.45 = 1,549.38/x
  3. Step 3: Cross multiply
    1,583.30x = 2,180.45 × 1,549.38
  4. Step 4: Simplify right side
    1,583.30x = 3,378,345.62
  5. Step 5: Solve for x
    x = 3,378,345.62/1,583.30
  6. Step 6: Final answer
    x = 2,133.74

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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.