Home / 2,355.64-3,247.26-1,569.40

Finding the Fourth Proportional to 2,355.64, 3,247.26 and 1,569.40

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Solution

The fourth proportional to 2,355.64, 3,247.26 and 1,569.40 is: 2,163.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.64 : 3,247.26 = 1,569.40 : x
  2. Step 2: Convert to fraction form
    2,355.64/3,247.26 = 1,569.40/x
  3. Step 3: Cross multiply
    2,355.64x = 3,247.26 × 1,569.40
  4. Step 4: Simplify right side
    2,355.64x = 5,096,249.84
  5. Step 5: Solve for x
    x = 5,096,249.84/2,355.64
  6. Step 6: Final answer
    x = 2,163.42

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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.