Home / 3,009.60-4,153.07-1,683.05

Finding the Fourth Proportional to 3,009.60, 4,153.07 and 1,683.05

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Solution

The fourth proportional to 3,009.60, 4,153.07 and 1,683.05 is: 2,322.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.60 : 4,153.07 = 1,683.05 : x
  2. Step 2: Convert to fraction form
    3,009.60/4,153.07 = 1,683.05/x
  3. Step 3: Cross multiply
    3,009.60x = 4,153.07 × 1,683.05
  4. Step 4: Simplify right side
    3,009.60x = 6,989,795.28
  5. Step 5: Solve for x
    x = 6,989,795.28/3,009.60
  6. Step 6: Final answer
    x = 2,322.50

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Half 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.