Home / 2,586.04-3,881.48-1,720.96

Finding the Fourth Proportional to 2,586.04, 3,881.48 and 1,720.96

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Solution

The fourth proportional to 2,586.04, 3,881.48 and 1,720.96 is: 2,583.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.04 : 3,881.48 = 1,720.96 : x
  2. Step 2: Convert to fraction form
    2,586.04/3,881.48 = 1,720.96/x
  3. Step 3: Cross multiply
    2,586.04x = 3,881.48 × 1,720.96
  4. Step 4: Simplify right side
    2,586.04x = 6,679,871.82
  5. Step 5: Solve for x
    x = 6,679,871.82/2,586.04
  6. Step 6: Final answer
    x = 2,583.05

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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.