Home / 3,433.64-5,153.34-2,655.74

Finding the Fourth Proportional to 3,433.64, 5,153.34 and 2,655.74

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Solution

The fourth proportional to 3,433.64, 5,153.34 and 2,655.74 is: 3,985.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.64 : 5,153.34 = 2,655.74 : x
  2. Step 2: Convert to fraction form
    3,433.64/5,153.34 = 2,655.74/x
  3. Step 3: Cross multiply
    3,433.64x = 5,153.34 × 2,655.74
  4. Step 4: Simplify right side
    3,433.64x = 13,685,905.40
  5. Step 5: Solve for x
    x = 13,685,905.40/3,433.64
  6. Step 6: Final answer
    x = 3,985.84

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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.