Home / 1,454.39-2,008.46-1,056.65

Finding the Fourth Proportional to 1,454.39, 2,008.46 and 1,056.65

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Solution

The fourth proportional to 1,454.39, 2,008.46 and 1,056.65 is: 1,459.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.39 : 2,008.46 = 1,056.65 : x
  2. Step 2: Convert to fraction form
    1,454.39/2,008.46 = 1,056.65/x
  3. Step 3: Cross multiply
    1,454.39x = 2,008.46 × 1,056.65
  4. Step 4: Simplify right side
    1,454.39x = 2,122,231.86
  5. Step 5: Solve for x
    x = 2,122,231.86/1,454.39
  6. Step 6: Final answer
    x = 1,459.19

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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.