Home / 1,441.42-2,156.51-1,095.75

Finding the Fourth Proportional to 1,441.42, 2,156.51 and 1,095.75

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Solution

The fourth proportional to 1,441.42, 2,156.51 and 1,095.75 is: 1,639.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441.42 : 2,156.51 = 1,095.75 : x
  2. Step 2: Convert to fraction form
    1,441.42/2,156.51 = 1,095.75/x
  3. Step 3: Cross multiply
    1,441.42x = 2,156.51 × 1,095.75
  4. Step 4: Simplify right side
    1,441.42x = 2,362,990.35
  5. Step 5: Solve for x
    x = 2,362,990.35/1,441.42
  6. Step 6: Final answer
    x = 1,639.35

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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.