Home / 1,346.28-2,028.64-1,108.14

Finding the Fourth Proportional to 1,346.28, 2,028.64 and 1,108.14

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Solution

The fourth proportional to 1,346.28, 2,028.64 and 1,108.14 is: 1,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346.28 : 2,028.64 = 1,108.14 : x
  2. Step 2: Convert to fraction form
    1,346.28/2,028.64 = 1,108.14/x
  3. Step 3: Cross multiply
    1,346.28x = 2,028.64 × 1,108.14
  4. Step 4: Simplify right side
    1,346.28x = 2,248,017.13
  5. Step 5: Solve for x
    x = 2,248,017.13/1,346.28
  6. Step 6: Final answer
    x = 1,669.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.