Home / 1,183.96-1,637.39-1,036.31

Finding the Fourth Proportional to 1,183.96, 1,637.39 and 1,036.31

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Solution

The fourth proportional to 1,183.96, 1,637.39 and 1,036.31 is: 1,433.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183.96 : 1,637.39 = 1,036.31 : x
  2. Step 2: Convert to fraction form
    1,183.96/1,637.39 = 1,036.31/x
  3. Step 3: Cross multiply
    1,183.96x = 1,637.39 × 1,036.31
  4. Step 4: Simplify right side
    1,183.96x = 1,696,838.45
  5. Step 5: Solve for x
    x = 1,696,838.45/1,183.96
  6. Step 6: Final answer
    x = 1,433.20

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1.5x scale

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.