Home / 1,113.58-1,537.32-1,039.96

Finding the Fourth Proportional to 1,113.58, 1,537.32 and 1,039.96

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Solution

The fourth proportional to 1,113.58, 1,537.32 and 1,039.96 is: 1,435.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113.58 : 1,537.32 = 1,039.96 : x
  2. Step 2: Convert to fraction form
    1,113.58/1,537.32 = 1,039.96/x
  3. Step 3: Cross multiply
    1,113.58x = 1,537.32 × 1,039.96
  4. Step 4: Simplify right side
    1,113.58x = 1,598,751.31
  5. Step 5: Solve for x
    x = 1,598,751.31/1,113.58
  6. Step 6: Final answer
    x = 1,435.69

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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.