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Finding the Fourth Proportional to 2,342.77, 3,514.10 and 862.34

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Solution

The fourth proportional to 2,342.77, 3,514.10 and 862.34 is: 1,293.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,342.77 : 3,514.10 = 862.34 : x
  2. Step 2: Convert to fraction form
    2,342.77/3,514.10 = 862.34/x
  3. Step 3: Cross multiply
    2,342.77x = 3,514.10 × 862.34
  4. Step 4: Simplify right side
    2,342.77x = 3,030,327.11
  5. Step 5: Solve for x
    x = 3,030,327.11/2,342.77
  6. Step 6: Final answer
    x = 1,293.48

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1.5x scale

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.