Home / 1,742.32-2,403.56-1,182.56

Finding the Fourth Proportional to 1,742.32, 2,403.56 and 1,182.56

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Solution

The fourth proportional to 1,742.32, 2,403.56 and 1,182.56 is: 1,631.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.32 : 2,403.56 = 1,182.56 : x
  2. Step 2: Convert to fraction form
    1,742.32/2,403.56 = 1,182.56/x
  3. Step 3: Cross multiply
    1,742.32x = 2,403.56 × 1,182.56
  4. Step 4: Simplify right side
    1,742.32x = 2,842,353.91
  5. Step 5: Solve for x
    x = 2,842,353.91/1,742.32
  6. Step 6: Final answer
    x = 1,631.36

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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.