Home / 1,821.51-2,733.90-1,301.49

Finding the Fourth Proportional to 1,821.51, 2,733.90 and 1,301.49

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Solution

The fourth proportional to 1,821.51, 2,733.90 and 1,301.49 is: 1,953.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821.51 : 2,733.90 = 1,301.49 : x
  2. Step 2: Convert to fraction form
    1,821.51/2,733.90 = 1,301.49/x
  3. Step 3: Cross multiply
    1,821.51x = 2,733.90 × 1,301.49
  4. Step 4: Simplify right side
    1,821.51x = 3,558,143.51
  5. Step 5: Solve for x
    x = 3,558,143.51/1,821.51
  6. Step 6: Final answer
    x = 1,953.40

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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.