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Finding the Fourth Proportional to 2,586.96, 3,572.84 and 2,094.96

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Solution

The fourth proportional to 2,586.96, 3,572.84 and 2,094.96 is: 2,893.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.96 : 3,572.84 = 2,094.96 : x
  2. Step 2: Convert to fraction form
    2,586.96/3,572.84 = 2,094.96/x
  3. Step 3: Cross multiply
    2,586.96x = 3,572.84 × 2,094.96
  4. Step 4: Simplify right side
    2,586.96x = 7,484,956.89
  5. Step 5: Solve for x
    x = 7,484,956.89/2,586.96
  6. Step 6: Final answer
    x = 2,893.34

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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.