Home / 1,056.96-1,459.08-1,002.42

Finding the Fourth Proportional to 1,056.96, 1,459.08 and 1,002.42

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Solution

The fourth proportional to 1,056.96, 1,459.08 and 1,002.42 is: 1,383.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056.96 : 1,459.08 = 1,002.42 : x
  2. Step 2: Convert to fraction form
    1,056.96/1,459.08 = 1,002.42/x
  3. Step 3: Cross multiply
    1,056.96x = 1,459.08 × 1,002.42
  4. Step 4: Simplify right side
    1,056.96x = 1,462,610.97
  5. Step 5: Solve for x
    x = 1,462,610.97/1,056.96
  6. Step 6: Final answer
    x = 1,383.79

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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.