Home / 3,160.44-4,360.88-1,901.20

Finding the Fourth Proportional to 3,160.44, 4,360.88 and 1,901.20

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Solution

The fourth proportional to 3,160.44, 4,360.88 and 1,901.20 is: 2,623.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.44 : 4,360.88 = 1,901.20 : x
  2. Step 2: Convert to fraction form
    3,160.44/4,360.88 = 1,901.20/x
  3. Step 3: Cross multiply
    3,160.44x = 4,360.88 × 1,901.20
  4. Step 4: Simplify right side
    3,160.44x = 8,290,905.06
  5. Step 5: Solve for x
    x = 8,290,905.06/3,160.44
  6. Step 6: Final answer
    x = 2,623.34

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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.