Home / 1,503.05-2,256.19-1,111.82

Finding the Fourth Proportional to 1,503.05, 2,256.19 and 1,111.82

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Solution

The fourth proportional to 1,503.05, 2,256.19 and 1,111.82 is: 1,668.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503.05 : 2,256.19 = 1,111.82 : x
  2. Step 2: Convert to fraction form
    1,503.05/2,256.19 = 1,111.82/x
  3. Step 3: Cross multiply
    1,503.05x = 2,256.19 × 1,111.82
  4. Step 4: Simplify right side
    1,503.05x = 2,508,463.11
  5. Step 5: Solve for x
    x = 2,508,463.11/1,503.05
  6. Step 6: Final answer
    x = 1,668.92

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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.