Home / 2,355.68-3,531.45-2,011.23

Finding the Fourth Proportional to 2,355.68, 3,531.45 and 2,011.23

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Solution

The fourth proportional to 2,355.68, 3,531.45 and 2,011.23 is: 3,015.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.68 : 3,531.45 = 2,011.23 : x
  2. Step 2: Convert to fraction form
    2,355.68/3,531.45 = 2,011.23/x
  3. Step 3: Cross multiply
    2,355.68x = 3,531.45 × 2,011.23
  4. Step 4: Simplify right side
    2,355.68x = 7,102,554.41
  5. Step 5: Solve for x
    x = 7,102,554.41/2,355.68
  6. Step 6: Final answer
    x = 3,015.07

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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.