Home / 1,245.24-1,715.66-1,034.22

Finding the Fourth Proportional to 1,245.24, 1,715.66 and 1,034.22

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Solution

The fourth proportional to 1,245.24, 1,715.66 and 1,034.22 is: 1,424.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245.24 : 1,715.66 = 1,034.22 : x
  2. Step 2: Convert to fraction form
    1,245.24/1,715.66 = 1,034.22/x
  3. Step 3: Cross multiply
    1,245.24x = 1,715.66 × 1,034.22
  4. Step 4: Simplify right side
    1,245.24x = 1,774,369.89
  5. Step 5: Solve for x
    x = 1,774,369.89/1,245.24
  6. Step 6: Final answer
    x = 1,424.92

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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.