Home / 3,009.69-4,153.55-1,683.45

Finding the Fourth Proportional to 3,009.69, 4,153.55 and 1,683.45

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Solution

The fourth proportional to 3,009.69, 4,153.55 and 1,683.45 is: 2,323.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.69 : 4,153.55 = 1,683.45 : x
  2. Step 2: Convert to fraction form
    3,009.69/4,153.55 = 1,683.45/x
  3. Step 3: Cross multiply
    3,009.69x = 4,153.55 × 1,683.45
  4. Step 4: Simplify right side
    3,009.69x = 6,992,285.33
  5. Step 5: Solve for x
    x = 6,992,285.33/3,009.69
  6. Step 6: Final answer
    x = 2,323.26

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Half scale
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Double scale
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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.