Home / 3,586.64-5,376.70-2,661.08

Finding the Fourth Proportional to 3,586.64, 5,376.70 and 2,661.08

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Solution

The fourth proportional to 3,586.64, 5,376.70 and 2,661.08 is: 3,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.64 : 5,376.70 = 2,661.08 : x
  2. Step 2: Convert to fraction form
    3,586.64/5,376.70 = 2,661.08/x
  3. Step 3: Cross multiply
    3,586.64x = 5,376.70 × 2,661.08
  4. Step 4: Simplify right side
    3,586.64x = 14,307,828.84
  5. Step 5: Solve for x
    x = 14,307,828.84/3,586.64
  6. Step 6: Final answer
    x = 3,989.20

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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.