Home / 1,523.96-2,101.08-1,243.70

Finding the Fourth Proportional to 1,523.96, 2,101.08 and 1,243.70

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Solution

The fourth proportional to 1,523.96, 2,101.08 and 1,243.70 is: 1,714.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523.96 : 2,101.08 = 1,243.70 : x
  2. Step 2: Convert to fraction form
    1,523.96/2,101.08 = 1,243.70/x
  3. Step 3: Cross multiply
    1,523.96x = 2,101.08 × 1,243.70
  4. Step 4: Simplify right side
    1,523.96x = 2,613,118.45
  5. Step 5: Solve for x
    x = 2,613,118.45/1,523.96
  6. Step 6: Final answer
    x = 1,714.69

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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.