Home / 1,837.40-2,751.78-1,423.24

Finding the Fourth Proportional to 1,837.40, 2,751.78 and 1,423.24

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Solution

The fourth proportional to 1,837.40, 2,751.78 and 1,423.24 is: 2,131.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.40 : 2,751.78 = 1,423.24 : x
  2. Step 2: Convert to fraction form
    1,837.40/2,751.78 = 1,423.24/x
  3. Step 3: Cross multiply
    1,837.40x = 2,751.78 × 1,423.24
  4. Step 4: Simplify right side
    1,837.40x = 3,916,443.37
  5. Step 5: Solve for x
    x = 3,916,443.37/1,837.40
  6. Step 6: Final answer
    x = 2,131.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.