Home / 1,043.36-1,562.30-1,012.56

Finding the Fourth Proportional to 1,043.36, 1,562.30 and 1,012.56

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Solution

The fourth proportional to 1,043.36, 1,562.30 and 1,012.56 is: 1,516.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043.36 : 1,562.30 = 1,012.56 : x
  2. Step 2: Convert to fraction form
    1,043.36/1,562.30 = 1,012.56/x
  3. Step 3: Cross multiply
    1,043.36x = 1,562.30 × 1,012.56
  4. Step 4: Simplify right side
    1,043.36x = 1,581,922.49
  5. Step 5: Solve for x
    x = 1,581,922.49/1,043.36
  6. Step 6: Final answer
    x = 1,516.18

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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.