Home / 1,341.10-2,007.60-1,195.30

Finding the Fourth Proportional to 1,341.10, 2,007.60 and 1,195.30

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Solution

The fourth proportional to 1,341.10, 2,007.60 and 1,195.30 is: 1,789.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.10 : 2,007.60 = 1,195.30 : x
  2. Step 2: Convert to fraction form
    1,341.10/2,007.60 = 1,195.30/x
  3. Step 3: Cross multiply
    1,341.10x = 2,007.60 × 1,195.30
  4. Step 4: Simplify right side
    1,341.10x = 2,399,684.28
  5. Step 5: Solve for x
    x = 2,399,684.28/1,341.10
  6. Step 6: Final answer
    x = 1,789.34

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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.