Home / 2,215.58-3,323.34-571.99

Finding the Fourth Proportional to 2,215.58, 3,323.34 and 571.99

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Solution

The fourth proportional to 2,215.58, 3,323.34 and 571.99 is: 857.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215.58 : 3,323.34 = 571.99 : x
  2. Step 2: Convert to fraction form
    2,215.58/3,323.34 = 571.99/x
  3. Step 3: Cross multiply
    2,215.58x = 3,323.34 × 571.99
  4. Step 4: Simplify right side
    2,215.58x = 1,900,914.39
  5. Step 5: Solve for x
    x = 1,900,914.39/2,215.58
  6. Step 6: Final answer
    x = 857.98

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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.