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Finding the Fourth Proportional to 3,389.31, 5,083.44 and 924.33

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Solution

The fourth proportional to 3,389.31, 5,083.44 and 924.33 is: 1,386.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.31 : 5,083.44 = 924.33 : x
  2. Step 2: Convert to fraction form
    3,389.31/5,083.44 = 924.33/x
  3. Step 3: Cross multiply
    3,389.31x = 5,083.44 × 924.33
  4. Step 4: Simplify right side
    3,389.31x = 4,698,771.47
  5. Step 5: Solve for x
    x = 4,698,771.47/3,389.31
  6. Step 6: Final answer
    x = 1,386.35

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1.5x scale

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.