Home / 2,909.60-4,014.96-1,714.56

Finding the Fourth Proportional to 2,909.60, 4,014.96 and 1,714.56

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Solution

The fourth proportional to 2,909.60, 4,014.96 and 1,714.56 is: 2,365.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.60 : 4,014.96 = 1,714.56 : x
  2. Step 2: Convert to fraction form
    2,909.60/4,014.96 = 1,714.56/x
  3. Step 3: Cross multiply
    2,909.60x = 4,014.96 × 1,714.56
  4. Step 4: Simplify right side
    2,909.60x = 6,883,889.82
  5. Step 5: Solve for x
    x = 6,883,889.82/2,909.60
  6. Step 6: Final answer
    x = 2,365.92

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1.5x scale

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.