Home / 3,539.29-5,303.12-2,153.03

Finding the Fourth Proportional to 3,539.29, 5,303.12 and 2,153.03

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Solution

The fourth proportional to 3,539.29, 5,303.12 and 2,153.03 is: 3,226.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.29 : 5,303.12 = 2,153.03 : x
  2. Step 2: Convert to fraction form
    3,539.29/5,303.12 = 2,153.03/x
  3. Step 3: Cross multiply
    3,539.29x = 5,303.12 × 2,153.03
  4. Step 4: Simplify right side
    3,539.29x = 11,417,776.45
  5. Step 5: Solve for x
    x = 11,417,776.45/3,539.29
  6. Step 6: Final answer
    x = 3,226.01

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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.