Home / 1,454.55-2,171.28-1,346.14

Finding the Fourth Proportional to 1,454.55, 2,171.28 and 1,346.14

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Solution

The fourth proportional to 1,454.55, 2,171.28 and 1,346.14 is: 2,009.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.55 : 2,171.28 = 1,346.14 : x
  2. Step 2: Convert to fraction form
    1,454.55/2,171.28 = 1,346.14/x
  3. Step 3: Cross multiply
    1,454.55x = 2,171.28 × 1,346.14
  4. Step 4: Simplify right side
    1,454.55x = 2,922,843.49
  5. Step 5: Solve for x
    x = 2,922,843.49/1,454.55
  6. Step 6: Final answer
    x = 2,009.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.