Home / 1,465.10-2,020.44-960.20

Finding the Fourth Proportional to 1,465.10, 2,020.44 and 960.20

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Solution

The fourth proportional to 1,465.10, 2,020.44 and 960.20 is: 1,324.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.10 : 2,020.44 = 960.20 : x
  2. Step 2: Convert to fraction form
    1,465.10/2,020.44 = 960.20/x
  3. Step 3: Cross multiply
    1,465.10x = 2,020.44 × 960.20
  4. Step 4: Simplify right side
    1,465.10x = 1,940,026.49
  5. Step 5: Solve for x
    x = 1,940,026.49/1,465.10
  6. Step 6: Final answer
    x = 1,324.16

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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.