Home / 1,248.44-1,720.32-1,028.93

Finding the Fourth Proportional to 1,248.44, 1,720.32 and 1,028.93

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Solution

The fourth proportional to 1,248.44, 1,720.32 and 1,028.93 is: 1,417.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248.44 : 1,720.32 = 1,028.93 : x
  2. Step 2: Convert to fraction form
    1,248.44/1,720.32 = 1,028.93/x
  3. Step 3: Cross multiply
    1,248.44x = 1,720.32 × 1,028.93
  4. Step 4: Simplify right side
    1,248.44x = 1,770,088.86
  5. Step 5: Solve for x
    x = 1,770,088.86/1,248.44
  6. Step 6: Final answer
    x = 1,417.84

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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.