Home / 2,355.45-3,532.65-1,039.59

Finding the Fourth Proportional to 2,355.45, 3,532.65 and 1,039.59

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Solution

The fourth proportional to 2,355.45, 3,532.65 and 1,039.59 is: 1,559.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.45 : 3,532.65 = 1,039.59 : x
  2. Step 2: Convert to fraction form
    2,355.45/3,532.65 = 1,039.59/x
  3. Step 3: Cross multiply
    2,355.45x = 3,532.65 × 1,039.59
  4. Step 4: Simplify right side
    2,355.45x = 3,672,507.61
  5. Step 5: Solve for x
    x = 3,672,507.61/2,355.45
  6. Step 6: Final answer
    x = 1,559.15

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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.