Home / 2,174.40-3,261.57-1,528.02

Finding the Fourth Proportional to 2,174.40, 3,261.57 and 1,528.02

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Solution

The fourth proportional to 2,174.40, 3,261.57 and 1,528.02 is: 2,292.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.40 : 3,261.57 = 1,528.02 : x
  2. Step 2: Convert to fraction form
    2,174.40/3,261.57 = 1,528.02/x
  3. Step 3: Cross multiply
    2,174.40x = 3,261.57 × 1,528.02
  4. Step 4: Simplify right side
    2,174.40x = 4,983,744.19
  5. Step 5: Solve for x
    x = 4,983,744.19/2,174.40
  6. Step 6: Final answer
    x = 2,292.01

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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.