Home / 1,673.25-2,509.73-1,128.93

Finding the Fourth Proportional to 1,673.25, 2,509.73 and 1,128.93

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Solution

The fourth proportional to 1,673.25, 2,509.73 and 1,128.93 is: 1,693.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673.25 : 2,509.73 = 1,128.93 : x
  2. Step 2: Convert to fraction form
    1,673.25/2,509.73 = 1,128.93/x
  3. Step 3: Cross multiply
    1,673.25x = 2,509.73 × 1,128.93
  4. Step 4: Simplify right side
    1,673.25x = 2,833,303.84
  5. Step 5: Solve for x
    x = 2,833,303.84/1,673.25
  6. Step 6: Final answer
    x = 1,693.29

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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.