Home / 2,321.80-3,484.06-1,569.78

Finding the Fourth Proportional to 2,321.80, 3,484.06 and 1,569.78

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Solution

The fourth proportional to 2,321.80, 3,484.06 and 1,569.78 is: 2,355.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.80 : 3,484.06 = 1,569.78 : x
  2. Step 2: Convert to fraction form
    2,321.80/3,484.06 = 1,569.78/x
  3. Step 3: Cross multiply
    2,321.80x = 3,484.06 × 1,569.78
  4. Step 4: Simplify right side
    2,321.80x = 5,469,207.71
  5. Step 5: Solve for x
    x = 5,469,207.71/2,321.80
  6. Step 6: Final answer
    x = 2,355.59

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1.5x scale

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.