Home / 1,403.33-2,102.79-1,056.27

Finding the Fourth Proportional to 1,403.33, 2,102.79 and 1,056.27

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Solution

The fourth proportional to 1,403.33, 2,102.79 and 1,056.27 is: 1,582.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403.33 : 2,102.79 = 1,056.27 : x
  2. Step 2: Convert to fraction form
    1,403.33/2,102.79 = 1,056.27/x
  3. Step 3: Cross multiply
    1,403.33x = 2,102.79 × 1,056.27
  4. Step 4: Simplify right side
    1,403.33x = 2,221,125.84
  5. Step 5: Solve for x
    x = 2,221,125.84/1,403.33
  6. Step 6: Final answer
    x = 1,582.76

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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.