Home / 2,191.60-3,019.26-1,527.24

Finding the Fourth Proportional to 2,191.60, 3,019.26 and 1,527.24

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Solution

The fourth proportional to 2,191.60, 3,019.26 and 1,527.24 is: 2,104.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191.60 : 3,019.26 = 1,527.24 : x
  2. Step 2: Convert to fraction form
    2,191.60/3,019.26 = 1,527.24/x
  3. Step 3: Cross multiply
    2,191.60x = 3,019.26 × 1,527.24
  4. Step 4: Simplify right side
    2,191.60x = 4,611,134.64
  5. Step 5: Solve for x
    x = 4,611,134.64/2,191.60
  6. Step 6: Final answer
    x = 2,104.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.