Home / 2,221.18-3,323.53-1,395.59

Finding the Fourth Proportional to 2,221.18, 3,323.53 and 1,395.59

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Solution

The fourth proportional to 2,221.18, 3,323.53 and 1,395.59 is: 2,088.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.18 : 3,323.53 = 1,395.59 : x
  2. Step 2: Convert to fraction form
    2,221.18/3,323.53 = 1,395.59/x
  3. Step 3: Cross multiply
    2,221.18x = 3,323.53 × 1,395.59
  4. Step 4: Simplify right side
    2,221.18x = 4,638,285.23
  5. Step 5: Solve for x
    x = 4,638,285.23/2,221.18
  6. Step 6: Final answer
    x = 2,088.21

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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.